From a415c29efee45520ae252d2aa28f1083a521cd7b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 09:56:49 +0200
Subject: Adding upstream version 6.4.3+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 wp-admin/includes/media.php | 3866 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 3866 insertions(+)
 create mode 100644 wp-admin/includes/media.php

(limited to 'wp-admin/includes/media.php')

diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
new file mode 100644
index 0000000..e7b4c10
--- /dev/null
+++ b/wp-admin/includes/media.php
@@ -0,0 +1,3866 @@
+<?php
+/**
+ * WordPress Administration Media API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Defines the default media upload tabs.
+ *
+ * @since 2.5.0
+ *
+ * @return string[] Default tabs.
+ */
+function media_upload_tabs() {
+	$_default_tabs = array(
+		'type'     => __( 'From Computer' ), // Handler action suffix => tab text.
+		'type_url' => __( 'From URL' ),
+		'gallery'  => __( 'Gallery' ),
+		'library'  => __( 'Media Library' ),
+	);
+
+	/**
+	 * Filters the available tabs in the legacy (pre-3.5.0) media popup.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string[] $_default_tabs An array of media tabs.
+	 */
+	return apply_filters( 'media_upload_tabs', $_default_tabs );
+}
+
+/**
+ * Adds the gallery tab back to the tabs array if post has image attachments.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $tabs
+ * @return array $tabs with gallery if post has image attachment
+ */
+function update_gallery_tab( $tabs ) {
+	global $wpdb;
+
+	if ( ! isset( $_REQUEST['post_id'] ) ) {
+		unset( $tabs['gallery'] );
+		return $tabs;
+	}
+
+	$post_id = (int) $_REQUEST['post_id'];
+
+	if ( $post_id ) {
+		$attachments = (int) $wpdb->get_var( $wpdb->prepare( "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent = %d", $post_id ) );
+	}
+
+	if ( empty( $attachments ) ) {
+		unset( $tabs['gallery'] );
+		return $tabs;
+	}
+
+	/* translators: %s: Number of attachments. */
+	$tabs['gallery'] = sprintf( __( 'Gallery (%s)' ), "<span id='attachments-count'>$attachments</span>" );
+
+	return $tabs;
+}
+
+/**
+ * Outputs the legacy media upload tabs UI.
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ */
+function the_media_upload_tabs() {
+	global $redir_tab;
+	$tabs    = media_upload_tabs();
+	$default = 'type';
+
+	if ( ! empty( $tabs ) ) {
+		echo "<ul id='sidemenu'>\n";
+
+		if ( isset( $redir_tab ) && array_key_exists( $redir_tab, $tabs ) ) {
+			$current = $redir_tab;
+		} elseif ( isset( $_GET['tab'] ) && array_key_exists( $_GET['tab'], $tabs ) ) {
+			$current = $_GET['tab'];
+		} else {
+			/** This filter is documented in wp-admin/media-upload.php */
+			$current = apply_filters( 'media_upload_default_tab', $default );
+		}
+
+		foreach ( $tabs as $callback => $text ) {
+			$class = '';
+
+			if ( $current == $callback ) {
+				$class = " class='current'";
+			}
+
+			$href = add_query_arg(
+				array(
+					'tab'            => $callback,
+					's'              => false,
+					'paged'          => false,
+					'post_mime_type' => false,
+					'm'              => false,
+				)
+			);
+			$link = "<a href='" . esc_url( $href ) . "'$class>$text</a>";
+			echo "\t<li id='" . esc_attr( "tab-$callback" ) . "'>$link</li>\n";
+		}
+
+		echo "</ul>\n";
+	}
+}
+
+/**
+ * Retrieves the image HTML to send to the editor.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $id      Image attachment ID.
+ * @param string       $caption Image caption.
+ * @param string       $title   Image title attribute.
+ * @param string       $align   Image CSS alignment property.
+ * @param string       $url     Optional. Image src URL. Default empty.
+ * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a default value. Default false.
+ * @param string|int[] $size    Optional. Image size. Accepts any registered image size name, or an array of
+ *                              width and height values in pixels (in that order). Default 'medium'.
+ * @param string       $alt     Optional. Image alt attribute. Default empty.
+ * @return string The HTML output to insert into the editor.
+ */
+function get_image_send_to_editor( $id, $caption, $title, $align, $url = '', $rel = false, $size = 'medium', $alt = '' ) {
+
+	$html = get_image_tag( $id, $alt, '', $align, $size );
+
+	if ( $rel ) {
+		if ( is_string( $rel ) ) {
+			$rel = ' rel="' . esc_attr( $rel ) . '"';
+		} else {
+			$rel = ' rel="attachment wp-att-' . (int) $id . '"';
+		}
+	} else {
+		$rel = '';
+	}
+
+	if ( $url ) {
+		$html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>';
+	}
+
+	/**
+	 * Filters the image HTML markup to send to the editor when inserting an image.
+	 *
+	 * @since 2.5.0
+	 * @since 5.6.0 The `$rel` parameter was added.
+	 *
+	 * @param string       $html    The image HTML markup to send.
+	 * @param int          $id      The attachment ID.
+	 * @param string       $caption The image caption.
+	 * @param string       $title   The image title.
+	 * @param string       $align   The image alignment.
+	 * @param string       $url     The image source URL.
+	 * @param string|int[] $size    Requested image size. Can be any registered image size name, or
+	 *                              an array of width and height values in pixels (in that order).
+	 * @param string       $alt     The image alternative, or alt, text.
+	 * @param string       $rel     The image rel attribute.
+	 */
+	$html = apply_filters( 'image_send_to_editor', $html, $id, $caption, $title, $align, $url, $size, $alt, $rel );
+
+	return $html;
+}
+
+/**
+ * Adds image shortcode with caption to editor.
+ *
+ * @since 2.6.0
+ *
+ * @param string  $html    The image HTML markup to send.
+ * @param int     $id      Image attachment ID.
+ * @param string  $caption Image caption.
+ * @param string  $title   Image title attribute (not used).
+ * @param string  $align   Image CSS alignment property.
+ * @param string  $url     Image source URL (not used).
+ * @param string  $size    Image size (not used).
+ * @param string  $alt     Image `alt` attribute (not used).
+ * @return string The image HTML markup with caption shortcode.
+ */
+function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
+
+	/**
+	 * Filters the caption text.
+	 *
+	 * Note: If the caption text is empty, the caption shortcode will not be appended
+	 * to the image HTML when inserted into the editor.
+	 *
+	 * Passing an empty value also prevents the {@see 'image_add_caption_shortcode'}
+	 * Filters from being evaluated at the end of image_add_caption().
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $caption The original caption text.
+	 * @param int    $id      The attachment ID.
+	 */
+	$caption = apply_filters( 'image_add_caption_text', $caption, $id );
+
+	/**
+	 * Filters whether to disable captions.
+	 *
+	 * Prevents image captions from being appended to image HTML when inserted into the editor.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param bool $bool Whether to disable appending captions. Returning true from the filter
+	 *                   will disable captions. Default empty string.
+	 */
+	if ( empty( $caption ) || apply_filters( 'disable_captions', '' ) ) {
+		return $html;
+	}
+
+	$id = ( 0 < (int) $id ) ? 'attachment_' . $id : '';
+
+	if ( ! preg_match( '/width=["\']([0-9]+)/', $html, $matches ) ) {
+		return $html;
+	}
+
+	$width = $matches[1];
+
+	$caption = str_replace( array( "\r\n", "\r" ), "\n", $caption );
+	$caption = preg_replace_callback( '/<[a-zA-Z0-9]+(?: [^<>]+>)*/', '_cleanup_image_add_caption', $caption );
+
+	// Convert any remaining line breaks to <br />.
+	$caption = preg_replace( '/[ \n\t]*\n[ \t]*/', '<br />', $caption );
+
+	$html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html );
+	if ( empty( $align ) ) {
+		$align = 'none';
+	}
+
+	$shcode = '[caption id="' . $id . '" align="align' . $align . '" width="' . $width . '"]' . $html . ' ' . $caption . '[/caption]';
+
+	/**
+	 * Filters the image HTML markup including the caption shortcode.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $shcode The image HTML markup with caption shortcode.
+	 * @param string $html   The image HTML markup.
+	 */
+	return apply_filters( 'image_add_caption_shortcode', $shcode, $html );
+}
+
+/**
+ * Private preg_replace callback used in image_add_caption().
+ *
+ * @access private
+ * @since 3.4.0
+ *
+ * @param array $matches Single regex match.
+ * @return string Cleaned up HTML for caption.
+ */
+function _cleanup_image_add_caption( $matches ) {
+	// Remove any line breaks from inside the tags.
+	return preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
+}
+
+/**
+ * Adds image HTML to editor.
+ *
+ * @since 2.5.0
+ *
+ * @param string $html
+ */
+function media_send_to_editor( $html ) {
+	?>
+	<script type="text/javascript">
+	var win = window.dialogArguments || opener || parent || top;
+	win.send_to_editor( <?php echo wp_json_encode( $html ); ?> );
+	</script>
+	<?php
+	exit;
+}
+
+/**
+ * Saves a file submitted from a POST request and create an attachment post for it.
+ *
+ * @since 2.5.0
+ *
+ * @param string $file_id   Index of the `$_FILES` array that the file was sent.
+ * @param int    $post_id   The post ID of a post to attach the media item to. Required, but can
+ *                          be set to 0, creating a media item that has no relationship to a post.
+ * @param array  $post_data Optional. Overwrite some of the attachment.
+ * @param array  $overrides Optional. Override the wp_handle_upload() behavior.
+ * @return int|WP_Error ID of the attachment or a WP_Error object on failure.
+ */
+function media_handle_upload( $file_id, $post_id, $post_data = array(), $overrides = array( 'test_form' => false ) ) {
+	$time = current_time( 'mysql' );
+	$post = get_post( $post_id );
+
+	if ( $post ) {
+		// The post date doesn't usually matter for pages, so don't backdate this upload.
+		if ( 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 ) {
+			$time = $post->post_date;
+		}
+	}
+
+	$file = wp_handle_upload( $_FILES[ $file_id ], $overrides, $time );
+
+	if ( isset( $file['error'] ) ) {
+		return new WP_Error( 'upload_error', $file['error'] );
+	}
+
+	$name = $_FILES[ $file_id ]['name'];
+	$ext  = pathinfo( $name, PATHINFO_EXTENSION );
+	$name = wp_basename( $name, ".$ext" );
+
+	$url     = $file['url'];
+	$type    = $file['type'];
+	$file    = $file['file'];
+	$title   = sanitize_text_field( $name );
+	$content = '';
+	$excerpt = '';
+
+	if ( preg_match( '#^audio#', $type ) ) {
+		$meta = wp_read_audio_metadata( $file );
+
+		if ( ! empty( $meta['title'] ) ) {
+			$title = $meta['title'];
+		}
+
+		if ( ! empty( $title ) ) {
+
+			if ( ! empty( $meta['album'] ) && ! empty( $meta['artist'] ) ) {
+				/* translators: 1: Audio track title, 2: Album title, 3: Artist name. */
+				$content .= sprintf( __( '"%1$s" from %2$s by %3$s.' ), $title, $meta['album'], $meta['artist'] );
+			} elseif ( ! empty( $meta['album'] ) ) {
+				/* translators: 1: Audio track title, 2: Album title. */
+				$content .= sprintf( __( '"%1$s" from %2$s.' ), $title, $meta['album'] );
+			} elseif ( ! empty( $meta['artist'] ) ) {
+				/* translators: 1: Audio track title, 2: Artist name. */
+				$content .= sprintf( __( '"%1$s" by %2$s.' ), $title, $meta['artist'] );
+			} else {
+				/* translators: %s: Audio track title. */
+				$content .= sprintf( __( '"%s".' ), $title );
+			}
+		} elseif ( ! empty( $meta['album'] ) ) {
+
+			if ( ! empty( $meta['artist'] ) ) {
+				/* translators: 1: Audio album title, 2: Artist name. */
+				$content .= sprintf( __( '%1$s by %2$s.' ), $meta['album'], $meta['artist'] );
+			} else {
+				$content .= $meta['album'] . '.';
+			}
+		} elseif ( ! empty( $meta['artist'] ) ) {
+
+			$content .= $meta['artist'] . '.';
+
+		}
+
+		if ( ! empty( $meta['year'] ) ) {
+			/* translators: Audio file track information. %d: Year of audio track release. */
+			$content .= ' ' . sprintf( __( 'Released: %d.' ), $meta['year'] );
+		}
+
+		if ( ! empty( $meta['track_number'] ) ) {
+			$track_number = explode( '/', $meta['track_number'] );
+
+			if ( is_numeric( $track_number[0] ) ) {
+				if ( isset( $track_number[1] ) && is_numeric( $track_number[1] ) ) {
+					$content .= ' ' . sprintf(
+						/* translators: Audio file track information. 1: Audio track number, 2: Total audio tracks. */
+						__( 'Track %1$s of %2$s.' ),
+						number_format_i18n( $track_number[0] ),
+						number_format_i18n( $track_number[1] )
+					);
+				} else {
+					$content .= ' ' . sprintf(
+						/* translators: Audio file track information. %s: Audio track number. */
+						__( 'Track %s.' ),
+						number_format_i18n( $track_number[0] )
+					);
+				}
+			}
+		}
+
+		if ( ! empty( $meta['genre'] ) ) {
+			/* translators: Audio file genre information. %s: Audio genre name. */
+			$content .= ' ' . sprintf( __( 'Genre: %s.' ), $meta['genre'] );
+		}
+
+		// Use image exif/iptc data for title and caption defaults if possible.
+	} elseif ( str_starts_with( $type, 'image/' ) ) {
+		$image_meta = wp_read_image_metadata( $file );
+
+		if ( $image_meta ) {
+			if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
+				$title = $image_meta['title'];
+			}
+
+			if ( trim( $image_meta['caption'] ) ) {
+				$excerpt = $image_meta['caption'];
+			}
+		}
+	}
+
+	// Construct the attachment array.
+	$attachment = array_merge(
+		array(
+			'post_mime_type' => $type,
+			'guid'           => $url,
+			'post_parent'    => $post_id,
+			'post_title'     => $title,
+			'post_content'   => $content,
+			'post_excerpt'   => $excerpt,
+		),
+		$post_data
+	);
+
+	// This should never be set as it would then overwrite an existing attachment.
+	unset( $attachment['ID'] );
+
+	// Save the data.
+	$attachment_id = wp_insert_attachment( $attachment, $file, $post_id, true );
+
+	if ( ! is_wp_error( $attachment_id ) ) {
+		/*
+		 * Set a custom header with the attachment_id.
+		 * Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
+		 */
+		if ( ! headers_sent() ) {
+			header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );
+		}
+
+		/*
+		 * The image sub-sizes are created during wp_generate_attachment_metadata().
+		 * This is generally slow and may cause timeouts or out of memory errors.
+		 */
+		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
+	}
+
+	return $attachment_id;
+}
+
+/**
+ * Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().
+ *
+ * @since 2.6.0
+ * @since 5.3.0 The `$post_id` parameter was made optional.
+ *
+ * @param string[] $file_array Array that represents a `$_FILES` upload array.
+ * @param int      $post_id    Optional. The post ID the media is associated with.
+ * @param string   $desc       Optional. Description of the side-loaded file. Default null.
+ * @param array    $post_data  Optional. Post data to override. Default empty array.
+ * @return int|WP_Error The ID of the attachment or a WP_Error on failure.
+ */
+function media_handle_sideload( $file_array, $post_id = 0, $desc = null, $post_data = array() ) {
+	$overrides = array( 'test_form' => false );
+
+	if ( isset( $post_data['post_date'] ) && substr( $post_data['post_date'], 0, 4 ) > 0 ) {
+		$time = $post_data['post_date'];
+	} else {
+		$post = get_post( $post_id );
+		if ( $post && substr( $post->post_date, 0, 4 ) > 0 ) {
+			$time = $post->post_date;
+		} else {
+			$time = current_time( 'mysql' );
+		}
+	}
+
+	$file = wp_handle_sideload( $file_array, $overrides, $time );
+
+	if ( isset( $file['error'] ) ) {
+		return new WP_Error( 'upload_error', $file['error'] );
+	}
+
+	$url     = $file['url'];
+	$type    = $file['type'];
+	$file    = $file['file'];
+	$title   = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) );
+	$content = '';
+
+	// Use image exif/iptc data for title and caption defaults if possible.
+	$image_meta = wp_read_image_metadata( $file );
+
+	if ( $image_meta ) {
+		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
+			$title = $image_meta['title'];
+		}
+
+		if ( trim( $image_meta['caption'] ) ) {
+			$content = $image_meta['caption'];
+		}
+	}
+
+	if ( isset( $desc ) ) {
+		$title = $desc;
+	}
+
+	// Construct the attachment array.
+	$attachment = array_merge(
+		array(
+			'post_mime_type' => $type,
+			'guid'           => $url,
+			'post_parent'    => $post_id,
+			'post_title'     => $title,
+			'post_content'   => $content,
+		),
+		$post_data
+	);
+
+	// This should never be set as it would then overwrite an existing attachment.
+	unset( $attachment['ID'] );
+
+	// Save the attachment metadata.
+	$attachment_id = wp_insert_attachment( $attachment, $file, $post_id, true );
+
+	if ( ! is_wp_error( $attachment_id ) ) {
+		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
+	}
+
+	return $attachment_id;
+}
+
+/**
+ * Outputs the iframe to display the media upload page.
+ *
+ * @since 2.5.0
+ * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
+ *              by adding it to the function signature.
+ *
+ * @global int $body_id
+ *
+ * @param callable $content_func Function that outputs the content.
+ * @param mixed    ...$args      Optional additional parameters to pass to the callback function when it's called.
+ */
+function wp_iframe( $content_func, ...$args ) {
+	_wp_admin_html_begin();
+	?>
+	<title><?php bloginfo( 'name' ); ?> &rsaquo; <?php _e( 'Uploads' ); ?> &#8212; <?php _e( 'WordPress' ); ?></title>
+	<?php
+
+	wp_enqueue_style( 'colors' );
+	// Check callback name for 'media'.
+	if (
+		( is_array( $content_func ) && ! empty( $content_func[1] ) && str_starts_with( (string) $content_func[1], 'media' ) ) ||
+		( ! is_array( $content_func ) && str_starts_with( $content_func, 'media' ) )
+	) {
+		wp_enqueue_style( 'deprecated-media' );
+	}
+
+	?>
+	<script type="text/javascript">
+	addLoadEvent = function(func){if(typeof jQuery!=='undefined')jQuery(function(){func();});else if(typeof wpOnload!=='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
+	var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>', pagenow = 'media-upload-popup', adminpage = 'media-upload-popup',
+	isRtl = <?php echo (int) is_rtl(); ?>;
+	</script>
+	<?php
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_enqueue_scripts', 'media-upload-popup' );
+
+	/**
+	 * Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_print_styles-media-upload-popup' );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_print_styles' );
+
+	/**
+	 * Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_print_scripts-media-upload-popup' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_print_scripts' );
+
+	/**
+	 * Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0)
+	 * media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_head-media-upload-popup' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_head' );
+
+	if ( is_string( $content_func ) ) {
+		/**
+		 * Fires in the admin header for each specific form tab in the legacy
+		 * (pre-3.5.0) media upload popup.
+		 *
+		 * The dynamic portion of the hook name, `$content_func`, refers to the form
+		 * callback for the media upload type.
+		 *
+		 * @since 2.5.0
+		 */
+		do_action( "admin_head_{$content_func}" );
+	}
+
+	$body_id_attr = '';
+
+	if ( isset( $GLOBALS['body_id'] ) ) {
+		$body_id_attr = ' id="' . $GLOBALS['body_id'] . '"';
+	}
+
+	?>
+	</head>
+	<body<?php echo $body_id_attr; ?> class="wp-core-ui no-js">
+	<script type="text/javascript">
+	document.body.className = document.body.className.replace('no-js', 'js');
+	</script>
+	<?php
+
+	call_user_func_array( $content_func, $args );
+
+	/** This action is documented in wp-admin/admin-footer.php */
+	do_action( 'admin_print_footer_scripts' );
+
+	?>
+	<script type="text/javascript">if(typeof wpOnload==='function')wpOnload();</script>
+	</body>
+	</html>
+	<?php
+}
+
+/**
+ * Adds the media button to the editor.
+ *
+ * @since 2.5.0
+ *
+ * @global int $post_ID
+ *
+ * @param string $editor_id
+ */
+function media_buttons( $editor_id = 'content' ) {
+	static $instance = 0;
+	++$instance;
+
+	$post = get_post();
+
+	if ( ! $post && ! empty( $GLOBALS['post_ID'] ) ) {
+		$post = $GLOBALS['post_ID'];
+	}
+
+	wp_enqueue_media( array( 'post' => $post ) );
+
+	$img = '<span class="wp-media-buttons-icon"></span> ';
+
+	$id_attribute = 1 === $instance ? ' id="insert-media-button"' : '';
+
+	printf(
+		'<button type="button"%s class="button insert-media add_media" data-editor="%s">%s</button>',
+		$id_attribute,
+		esc_attr( $editor_id ),
+		$img . __( 'Add Media' )
+	);
+
+	/**
+	 * Filters the legacy (pre-3.5.0) media buttons.
+	 *
+	 * Use {@see 'media_buttons'} action instead.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 3.5.0 Use {@see 'media_buttons'} action instead.
+	 *
+	 * @param string $string Media buttons context. Default empty.
+	 */
+	$legacy_filter = apply_filters_deprecated( 'media_buttons_context', array( '' ), '3.5.0', 'media_buttons' );
+
+	if ( $legacy_filter ) {
+		// #WP22559. Close <a> if a plugin started by closing <a> to open their own <a> tag.
+		if ( 0 === stripos( trim( $legacy_filter ), '</a>' ) ) {
+			$legacy_filter .= '</a>';
+		}
+		echo $legacy_filter;
+	}
+}
+
+/**
+ * Retrieves the upload iframe source URL.
+ *
+ * @since 3.0.0
+ *
+ * @global int $post_ID
+ *
+ * @param string $type    Media type.
+ * @param int    $post_id Post ID.
+ * @param string $tab     Media upload tab.
+ * @return string Upload iframe source URL.
+ */
+function get_upload_iframe_src( $type = null, $post_id = null, $tab = null ) {
+	global $post_ID;
+
+	if ( empty( $post_id ) ) {
+		$post_id = $post_ID;
+	}
+
+	$upload_iframe_src = add_query_arg( 'post_id', (int) $post_id, admin_url( 'media-upload.php' ) );
+
+	if ( $type && 'media' !== $type ) {
+		$upload_iframe_src = add_query_arg( 'type', $type, $upload_iframe_src );
+	}
+
+	if ( ! empty( $tab ) ) {
+		$upload_iframe_src = add_query_arg( 'tab', $tab, $upload_iframe_src );
+	}
+
+	/**
+	 * Filters the upload iframe source URL for a specific media type.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the type
+	 * of media uploaded.
+	 *
+	 * Possible hook names include:
+	 *
+	 *  - `image_upload_iframe_src`
+	 *  - `media_upload_iframe_src`
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $upload_iframe_src The upload iframe source URL.
+	 */
+	$upload_iframe_src = apply_filters( "{$type}_upload_iframe_src", $upload_iframe_src );
+
+	return add_query_arg( 'TB_iframe', true, $upload_iframe_src );
+}
+
+/**
+ * Handles form submissions for the legacy media uploader.
+ *
+ * @since 2.5.0
+ *
+ * @return null|array|void Array of error messages keyed by attachment ID, null or void on success.
+ */
+function media_upload_form_handler() {
+	check_admin_referer( 'media-form' );
+
+	$errors = null;
+
+	if ( isset( $_POST['send'] ) ) {
+		$keys    = array_keys( $_POST['send'] );
+		$send_id = (int) reset( $keys );
+	}
+
+	if ( ! empty( $_POST['attachments'] ) ) {
+		foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {
+			$post  = get_post( $attachment_id, ARRAY_A );
+			$_post = $post;
+
+			if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
+				continue;
+			}
+
+			if ( isset( $attachment['post_content'] ) ) {
+				$post['post_content'] = $attachment['post_content'];
+			}
+
+			if ( isset( $attachment['post_title'] ) ) {
+				$post['post_title'] = $attachment['post_title'];
+			}
+
+			if ( isset( $attachment['post_excerpt'] ) ) {
+				$post['post_excerpt'] = $attachment['post_excerpt'];
+			}
+
+			if ( isset( $attachment['menu_order'] ) ) {
+				$post['menu_order'] = $attachment['menu_order'];
+			}
+
+			if ( isset( $send_id ) && $attachment_id == $send_id ) {
+				if ( isset( $attachment['post_parent'] ) ) {
+					$post['post_parent'] = $attachment['post_parent'];
+				}
+			}
+
+			/**
+			 * Filters the attachment fields to be saved.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @see wp_get_attachment_metadata()
+			 *
+			 * @param array $post       An array of post data.
+			 * @param array $attachment An array of attachment metadata.
+			 */
+			$post = apply_filters( 'attachment_fields_to_save', $post, $attachment );
+
+			if ( isset( $attachment['image_alt'] ) ) {
+				$image_alt = wp_unslash( $attachment['image_alt'] );
+
+				if ( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) !== $image_alt ) {
+					$image_alt = wp_strip_all_tags( $image_alt, true );
+
+					// update_post_meta() expects slashed.
+					update_post_meta( $attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
+				}
+			}
+
+			if ( isset( $post['errors'] ) ) {
+				$errors[ $attachment_id ] = $post['errors'];
+				unset( $post['errors'] );
+			}
+
+			if ( $post != $_post ) {
+				wp_update_post( $post );
+			}
+
+			foreach ( get_attachment_taxonomies( $post ) as $t ) {
+				if ( isset( $attachment[ $t ] ) ) {
+					wp_set_object_terms( $attachment_id, array_map( 'trim', preg_split( '/,+/', $attachment[ $t ] ) ), $t, false );
+				}
+			}
+		}
+	}
+
+	if ( isset( $_POST['insert-gallery'] ) || isset( $_POST['update-gallery'] ) ) {
+		?>
+		<script type="text/javascript">
+		var win = window.dialogArguments || opener || parent || top;
+		win.tb_remove();
+		</script>
+		<?php
+
+		exit;
+	}
+
+	if ( isset( $send_id ) ) {
+		$attachment = wp_unslash( $_POST['attachments'][ $send_id ] );
+		$html       = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
+
+		if ( ! empty( $attachment['url'] ) ) {
+			$rel = '';
+
+			if ( str_contains( $attachment['url'], 'attachment_id' ) || get_attachment_link( $send_id ) === $attachment['url'] ) {
+				$rel = " rel='attachment wp-att-" . esc_attr( $send_id ) . "'";
+			}
+
+			$html = "<a href='{$attachment['url']}'$rel>$html</a>";
+		}
+
+		/**
+		 * Filters the HTML markup for a media item sent to the editor.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @see wp_get_attachment_metadata()
+		 *
+		 * @param string $html       HTML markup for a media item sent to the editor.
+		 * @param int    $send_id    The first key from the $_POST['send'] data.
+		 * @param array  $attachment Array of attachment metadata.
+		 */
+		$html = apply_filters( 'media_send_to_editor', $html, $send_id, $attachment );
+
+		return media_send_to_editor( $html );
+	}
+
+	return $errors;
+}
+
+/**
+ * Handles the process of uploading media.
+ *
+ * @since 2.5.0
+ *
+ * @return null|string
+ */
+function wp_media_upload_handler() {
+	$errors = array();
+	$id     = 0;
+
+	if ( isset( $_POST['html-upload'] ) && ! empty( $_FILES ) ) {
+		check_admin_referer( 'media-form' );
+		// Upload File button was clicked.
+		$id = media_handle_upload( 'async-upload', $_REQUEST['post_id'] );
+		unset( $_FILES );
+
+		if ( is_wp_error( $id ) ) {
+			$errors['upload_error'] = $id;
+			$id                     = false;
+		}
+	}
+
+	if ( ! empty( $_POST['insertonlybutton'] ) ) {
+		$src = $_POST['src'];
+
+		if ( ! empty( $src ) && ! strpos( $src, '://' ) ) {
+			$src = "http://$src";
+		}
+
+		if ( isset( $_POST['media_type'] ) && 'image' !== $_POST['media_type'] ) {
+			$title = esc_html( wp_unslash( $_POST['title'] ) );
+			if ( empty( $title ) ) {
+				$title = esc_html( wp_basename( $src ) );
+			}
+
+			if ( $title && $src ) {
+				$html = "<a href='" . esc_url( $src ) . "'>$title</a>";
+			}
+
+			$type = 'file';
+			$ext  = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src );
+
+			if ( $ext ) {
+				$ext_type = wp_ext2type( $ext );
+				if ( 'audio' === $ext_type || 'video' === $ext_type ) {
+					$type = $ext_type;
+				}
+			}
+
+			/**
+			 * Filters the URL sent to the editor for a specific media type.
+			 *
+			 * The dynamic portion of the hook name, `$type`, refers to the type
+			 * of media being sent.
+			 *
+			 * Possible hook names include:
+			 *
+			 *  - `audio_send_to_editor_url`
+			 *  - `file_send_to_editor_url`
+			 *  - `video_send_to_editor_url`
+			 *
+			 * @since 3.3.0
+			 *
+			 * @param string $html  HTML markup sent to the editor.
+			 * @param string $src   Media source URL.
+			 * @param string $title Media title.
+			 */
+			$html = apply_filters( "{$type}_send_to_editor_url", $html, sanitize_url( $src ), $title );
+		} else {
+			$align = '';
+			$alt   = esc_attr( wp_unslash( $_POST['alt'] ) );
+
+			if ( isset( $_POST['align'] ) ) {
+				$align = esc_attr( wp_unslash( $_POST['align'] ) );
+				$class = " class='align$align'";
+			}
+
+			if ( ! empty( $src ) ) {
+				$html = "<img src='" . esc_url( $src ) . "' alt='$alt'$class />";
+			}
+
+			/**
+			 * Filters the image URL sent to the editor.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param string $html  HTML markup sent to the editor for an image.
+			 * @param string $src   Image source URL.
+			 * @param string $alt   Image alternate, or alt, text.
+			 * @param string $align The image alignment. Default 'alignnone'. Possible values include
+			 *                      'alignleft', 'aligncenter', 'alignright', 'alignnone'.
+			 */
+			$html = apply_filters( 'image_send_to_editor_url', $html, sanitize_url( $src ), $alt, $align );
+		}
+
+		return media_send_to_editor( $html );
+	}
+
+	if ( isset( $_POST['save'] ) ) {
+		$errors['upload_notice'] = __( 'Saved.' );
+		wp_enqueue_script( 'admin-gallery' );
+
+		return wp_iframe( 'media_upload_gallery_form', $errors );
+
+	} elseif ( ! empty( $_POST ) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string( $return ) ) {
+			return $return;
+		}
+
+		if ( is_array( $return ) ) {
+			$errors = $return;
+		}
+	}
+
+	if ( isset( $_GET['tab'] ) && 'type_url' === $_GET['tab'] ) {
+		$type = 'image';
+
+		if ( isset( $_GET['type'] ) && in_array( $_GET['type'], array( 'video', 'audio', 'file' ), true ) ) {
+			$type = $_GET['type'];
+		}
+
+		return wp_iframe( 'media_upload_type_url_form', $type, $errors, $id );
+	}
+
+	return wp_iframe( 'media_upload_type_form', 'image', $errors, $id );
+}
+
+/**
+ * Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post.
+ *
+ * @since 2.6.0
+ * @since 4.2.0 Introduced the `$return_type` parameter.
+ * @since 4.8.0 Introduced the 'id' option for the `$return_type` parameter.
+ * @since 5.3.0 The `$post_id` parameter was made optional.
+ * @since 5.4.0 The original URL of the attachment is stored in the `_source_url`
+ *              post meta value.
+ * @since 5.8.0 Added 'webp' to the default list of allowed file extensions.
+ *
+ * @param string $file        The URL of the image to download.
+ * @param int    $post_id     Optional. The post ID the media is to be associated with.
+ * @param string $desc        Optional. Description of the image.
+ * @param string $return_type Optional. Accepts 'html' (image tag html) or 'src' (URL),
+ *                            or 'id' (attachment ID). Default 'html'.
+ * @return string|int|WP_Error Populated HTML img tag, attachment ID, or attachment source
+ *                             on success, WP_Error object otherwise.
+ */
+function media_sideload_image( $file, $post_id = 0, $desc = null, $return_type = 'html' ) {
+	if ( ! empty( $file ) ) {
+
+		$allowed_extensions = array( 'jpg', 'jpeg', 'jpe', 'png', 'gif', 'webp' );
+
+		/**
+		 * Filters the list of allowed file extensions when sideloading an image from a URL.
+		 *
+		 * The default allowed extensions are:
+		 *
+		 *  - `jpg`
+		 *  - `jpeg`
+		 *  - `jpe`
+		 *  - `png`
+		 *  - `gif`
+		 *  - `webp`
+		 *
+		 * @since 5.6.0
+		 * @since 5.8.0 Added 'webp' to the default list of allowed file extensions.
+		 *
+		 * @param string[] $allowed_extensions Array of allowed file extensions.
+		 * @param string   $file               The URL of the image to download.
+		 */
+		$allowed_extensions = apply_filters( 'image_sideload_extensions', $allowed_extensions, $file );
+		$allowed_extensions = array_map( 'preg_quote', $allowed_extensions );
+
+		// Set variables for storage, fix file filename for query strings.
+		preg_match( '/[^\?]+\.(' . implode( '|', $allowed_extensions ) . ')\b/i', $file, $matches );
+
+		if ( ! $matches ) {
+			return new WP_Error( 'image_sideload_failed', __( 'Invalid image URL.' ) );
+		}
+
+		$file_array         = array();
+		$file_array['name'] = wp_basename( $matches[0] );
+
+		// Download file to temp location.
+		$file_array['tmp_name'] = download_url( $file );
+
+		// If error storing temporarily, return the error.
+		if ( is_wp_error( $file_array['tmp_name'] ) ) {
+			return $file_array['tmp_name'];
+		}
+
+		// Do the validation and storage stuff.
+		$id = media_handle_sideload( $file_array, $post_id, $desc );
+
+		// If error storing permanently, unlink.
+		if ( is_wp_error( $id ) ) {
+			@unlink( $file_array['tmp_name'] );
+			return $id;
+		}
+
+		// Store the original attachment source in meta.
+		add_post_meta( $id, '_source_url', $file );
+
+		// If attachment ID was requested, return it.
+		if ( 'id' === $return_type ) {
+			return $id;
+		}
+
+		$src = wp_get_attachment_url( $id );
+	}
+
+	// Finally, check to make sure the file has been saved, then return the HTML.
+	if ( ! empty( $src ) ) {
+		if ( 'src' === $return_type ) {
+			return $src;
+		}
+
+		$alt  = isset( $desc ) ? esc_attr( $desc ) : '';
+		$html = "<img src='$src' alt='$alt' />";
+
+		return $html;
+	} else {
+		return new WP_Error( 'image_sideload_failed' );
+	}
+}
+
+/**
+ * Retrieves the legacy media uploader form in an iframe.
+ *
+ * @since 2.5.0
+ *
+ * @return string|null
+ */
+function media_upload_gallery() {
+	$errors = array();
+
+	if ( ! empty( $_POST ) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string( $return ) ) {
+			return $return;
+		}
+
+		if ( is_array( $return ) ) {
+			$errors = $return;
+		}
+	}
+
+	wp_enqueue_script( 'admin-gallery' );
+	return wp_iframe( 'media_upload_gallery_form', $errors );
+}
+
+/**
+ * Retrieves the legacy media library form in an iframe.
+ *
+ * @since 2.5.0
+ *
+ * @return string|null
+ */
+function media_upload_library() {
+	$errors = array();
+
+	if ( ! empty( $_POST ) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string( $return ) ) {
+			return $return;
+		}
+		if ( is_array( $return ) ) {
+			$errors = $return;
+		}
+	}
+
+	return wp_iframe( 'media_upload_library_form', $errors );
+}
+
+/**
+ * Retrieves HTML for the image alignment radio buttons with the specified one checked.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post
+ * @param string  $checked
+ * @return string
+ */
+function image_align_input_fields( $post, $checked = '' ) {
+
+	if ( empty( $checked ) ) {
+		$checked = get_user_setting( 'align', 'none' );
+	}
+
+	$alignments = array(
+		'none'   => __( 'None' ),
+		'left'   => __( 'Left' ),
+		'center' => __( 'Center' ),
+		'right'  => __( 'Right' ),
+	);
+
+	if ( ! array_key_exists( (string) $checked, $alignments ) ) {
+		$checked = 'none';
+	}
+
+	$output = array();
+
+	foreach ( $alignments as $name => $label ) {
+		$name     = esc_attr( $name );
+		$output[] = "<input type='radio' name='attachments[{$post->ID}][align]' id='image-align-{$name}-{$post->ID}' value='$name'" .
+			( $checked == $name ? " checked='checked'" : '' ) .
+			" /><label for='image-align-{$name}-{$post->ID}' class='align image-align-{$name}-label'>$label</label>";
+	}
+
+	return implode( "\n", $output );
+}
+
+/**
+ * Retrieves HTML for the size radio buttons with the specified one checked.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post     $post
+ * @param bool|string $check
+ * @return array
+ */
+function image_size_input_fields( $post, $check = '' ) {
+	/**
+	 * Filters the names and labels of the default image sizes.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string[] $size_names Array of image size labels keyed by their name. Default values
+	 *                             include 'Thumbnail', 'Medium', 'Large', and 'Full Size'.
+	 */
+	$size_names = apply_filters(
+		'image_size_names_choose',
+		array(
+			'thumbnail' => __( 'Thumbnail' ),
+			'medium'    => __( 'Medium' ),
+			'large'     => __( 'Large' ),
+			'full'      => __( 'Full Size' ),
+		)
+	);
+
+	if ( empty( $check ) ) {
+		$check = get_user_setting( 'imgsize', 'medium' );
+	}
+
+	$output = array();
+
+	foreach ( $size_names as $size => $label ) {
+		$downsize = image_downsize( $post->ID, $size );
+		$checked  = '';
+
+		// Is this size selectable?
+		$enabled = ( $downsize[3] || 'full' === $size );
+		$css_id  = "image-size-{$size}-{$post->ID}";
+
+		// If this size is the default but that's not available, don't select it.
+		if ( $size == $check ) {
+			if ( $enabled ) {
+				$checked = " checked='checked'";
+			} else {
+				$check = '';
+			}
+		} elseif ( ! $check && $enabled && 'thumbnail' !== $size ) {
+			/*
+			 * If $check is not enabled, default to the first available size
+			 * that's bigger than a thumbnail.
+			 */
+			$check   = $size;
+			$checked = " checked='checked'";
+		}
+
+		$html = "<div class='image-size-item'><input type='radio' " . disabled( $enabled, false, false ) . "name='attachments[$post->ID][image-size]' id='{$css_id}' value='{$size}'$checked />";
+
+		$html .= "<label for='{$css_id}'>$label</label>";
+
+		// Only show the dimensions if that choice is available.
+		if ( $enabled ) {
+			$html .= " <label for='{$css_id}' class='help'>" . sprintf( '(%d&nbsp;&times;&nbsp;%d)', $downsize[1], $downsize[2] ) . '</label>';
+		}
+		$html .= '</div>';
+
+		$output[] = $html;
+	}
+
+	return array(
+		'label' => __( 'Size' ),
+		'input' => 'html',
+		'html'  => implode( "\n", $output ),
+	);
+}
+
+/**
+ * Retrieves HTML for the Link URL buttons with the default link type as specified.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post
+ * @param string  $url_type
+ * @return string
+ */
+function image_link_input_fields( $post, $url_type = '' ) {
+
+	$file = wp_get_attachment_url( $post->ID );
+	$link = get_attachment_link( $post->ID );
+
+	if ( empty( $url_type ) ) {
+		$url_type = get_user_setting( 'urlbutton', 'post' );
+	}
+
+	$url = '';
+
+	if ( 'file' === $url_type ) {
+		$url = $file;
+	} elseif ( 'post' === $url_type ) {
+		$url = $link;
+	}
+
+	return "
+	<input type='text' class='text urlfield' name='attachments[$post->ID][url]' value='" . esc_attr( $url ) . "' /><br />
+	<button type='button' class='button urlnone' data-link-url=''>" . __( 'None' ) . "</button>
+	<button type='button' class='button urlfile' data-link-url='" . esc_url( $file ) . "'>" . __( 'File URL' ) . "</button>
+	<button type='button' class='button urlpost' data-link-url='" . esc_url( $link ) . "'>" . __( 'Attachment Post URL' ) . '</button>
+';
+}
+
+/**
+ * Outputs a textarea element for inputting an attachment caption.
+ *
+ * @since 3.4.0
+ *
+ * @param WP_Post $edit_post Attachment WP_Post object.
+ * @return string HTML markup for the textarea element.
+ */
+function wp_caption_input_textarea( $edit_post ) {
+	// Post data is already escaped.
+	$name = "attachments[{$edit_post->ID}][post_excerpt]";
+
+	return '<textarea name="' . $name . '" id="' . $name . '">' . $edit_post->post_excerpt . '</textarea>';
+}
+
+/**
+ * Retrieves the image attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param array  $form_fields
+ * @param object $post
+ * @return array
+ */
+function image_attachment_fields_to_edit( $form_fields, $post ) {
+	return $form_fields;
+}
+
+/**
+ * Retrieves the single non-image attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param array   $form_fields An array of attachment form fields.
+ * @param WP_Post $post        The WP_Post attachment object.
+ * @return array Filtered attachment form fields.
+ */
+function media_single_attachment_fields_to_edit( $form_fields, $post ) {
+	unset( $form_fields['url'], $form_fields['align'], $form_fields['image-size'] );
+	return $form_fields;
+}
+
+/**
+ * Retrieves the post non-image attachment fields to edit form fields.
+ *
+ * @since 2.8.0
+ *
+ * @param array   $form_fields An array of attachment form fields.
+ * @param WP_Post $post        The WP_Post attachment object.
+ * @return array Filtered attachment form fields.
+ */
+function media_post_single_attachment_fields_to_edit( $form_fields, $post ) {
+	unset( $form_fields['image_url'] );
+	return $form_fields;
+}
+
+/**
+ * Retrieves the media element HTML to send to the editor.
+ *
+ * @since 2.5.0
+ *
+ * @param string  $html
+ * @param int     $attachment_id
+ * @param array   $attachment
+ * @return string
+ */
+function image_media_send_to_editor( $html, $attachment_id, $attachment ) {
+	$post = get_post( $attachment_id );
+
+	if ( str_starts_with( $post->post_mime_type, 'image' ) ) {
+		$url   = $attachment['url'];
+		$align = ! empty( $attachment['align'] ) ? $attachment['align'] : 'none';
+		$size  = ! empty( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium';
+		$alt   = ! empty( $attachment['image_alt'] ) ? $attachment['image_alt'] : '';
+		$rel   = ( str_contains( $url, 'attachment_id' ) || get_attachment_link( $attachment_id ) === $url );
+
+		return get_image_send_to_editor( $attachment_id, $attachment['post_excerpt'], $attachment['post_title'], $align, $url, $rel, $size, $alt );
+	}
+
+	return $html;
+}
+
+/**
+ * Retrieves the attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param WP_Post $post
+ * @param array   $errors
+ * @return array
+ */
+function get_attachment_fields_to_edit( $post, $errors = null ) {
+	if ( is_int( $post ) ) {
+		$post = get_post( $post );
+	}
+
+	if ( is_array( $post ) ) {
+		$post = new WP_Post( (object) $post );
+	}
+
+	$image_url = wp_get_attachment_url( $post->ID );
+
+	$edit_post = sanitize_post( $post, 'edit' );
+
+	$form_fields = array(
+		'post_title'   => array(
+			'label' => __( 'Title' ),
+			'value' => $edit_post->post_title,
+		),
+		'image_alt'    => array(),
+		'post_excerpt' => array(
+			'label' => __( 'Caption' ),
+			'input' => 'html',
+			'html'  => wp_caption_input_textarea( $edit_post ),
+		),
+		'post_content' => array(
+			'label' => __( 'Description' ),
+			'value' => $edit_post->post_content,
+			'input' => 'textarea',
+		),
+		'url'          => array(
+			'label' => __( 'Link URL' ),
+			'input' => 'html',
+			'html'  => image_link_input_fields( $post, get_option( 'image_default_link_type' ) ),
+			'helps' => __( 'Enter a link URL or click above for presets.' ),
+		),
+		'menu_order'   => array(
+			'label' => __( 'Order' ),
+			'value' => $edit_post->menu_order,
+		),
+		'image_url'    => array(
+			'label' => __( 'File URL' ),
+			'input' => 'html',
+			'html'  => "<input type='text' class='text urlfield' readonly='readonly' name='attachments[$post->ID][url]' value='" . esc_attr( $image_url ) . "' /><br />",
+			'value' => wp_get_attachment_url( $post->ID ),
+			'helps' => __( 'Location of the uploaded file.' ),
+		),
+	);
+
+	foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
+		$t = (array) get_taxonomy( $taxonomy );
+
+		if ( ! $t['public'] || ! $t['show_ui'] ) {
+			continue;
+		}
+
+		if ( empty( $t['label'] ) ) {
+			$t['label'] = $taxonomy;
+		}
+
+		if ( empty( $t['args'] ) ) {
+			$t['args'] = array();
+		}
+
+		$terms = get_object_term_cache( $post->ID, $taxonomy );
+
+		if ( false === $terms ) {
+			$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
+		}
+
+		$values = array();
+
+		foreach ( $terms as $term ) {
+			$values[] = $term->slug;
+		}
+
+		$t['value'] = implode( ', ', $values );
+
+		$form_fields[ $taxonomy ] = $t;
+	}
+
+	/*
+	 * Merge default fields with their errors, so any key passed with the error
+	 * (e.g. 'error', 'helps', 'value') will replace the default.
+	 * The recursive merge is easily traversed with array casting:
+	 * foreach ( (array) $things as $thing )
+	 */
+	$form_fields = array_merge_recursive( $form_fields, (array) $errors );
+
+	// This was formerly in image_attachment_fields_to_edit().
+	if ( str_starts_with( $post->post_mime_type, 'image' ) ) {
+		$alt = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
+
+		if ( empty( $alt ) ) {
+			$alt = '';
+		}
+
+		$form_fields['post_title']['required'] = true;
+
+		$form_fields['image_alt'] = array(
+			'value' => $alt,
+			'label' => __( 'Alternative Text' ),
+			'helps' => __( 'Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;' ),
+		);
+
+		$form_fields['align'] = array(
+			'label' => __( 'Alignment' ),
+			'input' => 'html',
+			'html'  => image_align_input_fields( $post, get_option( 'image_default_align' ) ),
+		);
+
+		$form_fields['image-size'] = image_size_input_fields( $post, get_option( 'image_default_size', 'medium' ) );
+
+	} else {
+		unset( $form_fields['image_alt'] );
+	}
+
+	/**
+	 * Filters the attachment fields to edit.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array   $form_fields An array of attachment form fields.
+	 * @param WP_Post $post        The WP_Post attachment object.
+	 */
+	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
+
+	return $form_fields;
+}
+
+/**
+ * Retrieves HTML for media items of post gallery.
+ *
+ * The HTML markup retrieved will be created for the progress of SWF Upload
+ * component. Will also create link for showing and hiding the form to modify
+ * the image attachment.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Query $wp_the_query WordPress Query object.
+ *
+ * @param int   $post_id Post ID.
+ * @param array $errors  Errors for attachment, if any.
+ * @return string HTML content for media items of post gallery.
+ */
+function get_media_items( $post_id, $errors ) {
+	$attachments = array();
+
+	if ( $post_id ) {
+		$post = get_post( $post_id );
+
+		if ( $post && 'attachment' === $post->post_type ) {
+			$attachments = array( $post->ID => $post );
+		} else {
+			$attachments = get_children(
+				array(
+					'post_parent' => $post_id,
+					'post_type'   => 'attachment',
+					'orderby'     => 'menu_order ASC, ID',
+					'order'       => 'DESC',
+				)
+			);
+		}
+	} else {
+		if ( is_array( $GLOBALS['wp_the_query']->posts ) ) {
+			foreach ( $GLOBALS['wp_the_query']->posts as $attachment ) {
+				$attachments[ $attachment->ID ] = $attachment;
+			}
+		}
+	}
+
+	$output = '';
+	foreach ( (array) $attachments as $id => $attachment ) {
+		if ( 'trash' === $attachment->post_status ) {
+			continue;
+		}
+
+		$item = get_media_item( $id, array( 'errors' => isset( $errors[ $id ] ) ? $errors[ $id ] : null ) );
+
+		if ( $item ) {
+			$output .= "\n<div id='media-item-$id' class='media-item child-of-$attachment->post_parent preloaded'><div class='progress hidden'><div class='bar'></div></div><div id='media-upload-error-$id' class='hidden'></div><div class='filename hidden'></div>$item\n</div>";
+		}
+	}
+
+	return $output;
+}
+
+/**
+ * Retrieves HTML form for modifying the image attachment.
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ *
+ * @param int          $attachment_id Attachment ID for modification.
+ * @param string|array $args          Optional. Override defaults.
+ * @return string HTML form for attachment.
+ */
+function get_media_item( $attachment_id, $args = null ) {
+	global $redir_tab;
+
+	$thumb_url     = false;
+	$attachment_id = (int) $attachment_id;
+
+	if ( $attachment_id ) {
+		$thumb_url = wp_get_attachment_image_src( $attachment_id, 'thumbnail', true );
+
+		if ( $thumb_url ) {
+			$thumb_url = $thumb_url[0];
+		}
+	}
+
+	$post            = get_post( $attachment_id );
+	$current_post_id = ! empty( $_GET['post_id'] ) ? (int) $_GET['post_id'] : 0;
+
+	$default_args = array(
+		'errors'     => null,
+		'send'       => $current_post_id ? post_type_supports( get_post_type( $current_post_id ), 'editor' ) : true,
+		'delete'     => true,
+		'toggle'     => true,
+		'show_title' => true,
+	);
+
+	$parsed_args = wp_parse_args( $args, $default_args );
+
+	/**
+	 * Filters the arguments used to retrieve an image for the edit image form.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see get_media_item
+	 *
+	 * @param array $parsed_args An array of arguments.
+	 */
+	$parsed_args = apply_filters( 'get_media_item_args', $parsed_args );
+
+	$toggle_on  = __( 'Show' );
+	$toggle_off = __( 'Hide' );
+
+	$file     = get_attached_file( $post->ID );
+	$filename = esc_html( wp_basename( $file ) );
+	$title    = esc_attr( $post->post_title );
+
+	$post_mime_types = get_post_mime_types();
+	$keys            = array_keys( wp_match_mime_types( array_keys( $post_mime_types ), $post->post_mime_type ) );
+	$type            = reset( $keys );
+	$type_html       = "<input type='hidden' id='type-of-$attachment_id' value='" . esc_attr( $type ) . "' />";
+
+	$form_fields = get_attachment_fields_to_edit( $post, $parsed_args['errors'] );
+
+	if ( $parsed_args['toggle'] ) {
+		$class        = empty( $parsed_args['errors'] ) ? 'startclosed' : 'startopen';
+		$toggle_links = "
+		<a class='toggle describe-toggle-on' href='#'>$toggle_on</a>
+		<a class='toggle describe-toggle-off' href='#'>$toggle_off</a>";
+	} else {
+		$class        = '';
+		$toggle_links = '';
+	}
+
+	$display_title = ( ! empty( $title ) ) ? $title : $filename; // $title shouldn't ever be empty, but just in case.
+	$display_title = $parsed_args['show_title'] ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60, '&hellip;' ) . '</span></div>' : '';
+
+	$gallery = ( ( isset( $_REQUEST['tab'] ) && 'gallery' === $_REQUEST['tab'] ) || ( isset( $redir_tab ) && 'gallery' === $redir_tab ) );
+	$order   = '';
+
+	foreach ( $form_fields as $key => $val ) {
+		if ( 'menu_order' === $key ) {
+			if ( $gallery ) {
+				$order = "<div class='menu_order'> <input class='menu_order_input' type='text' id='attachments[$attachment_id][menu_order]' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' /></div>";
+			} else {
+				$order = "<input type='hidden' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' />";
+			}
+
+			unset( $form_fields['menu_order'] );
+			break;
+		}
+	}
+
+	$media_dims = '';
+	$meta       = wp_get_attachment_metadata( $post->ID );
+
+	if ( isset( $meta['width'], $meta['height'] ) ) {
+		$media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
+	}
+
+	/**
+	 * Filters the media metadata.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string  $media_dims The HTML markup containing the media dimensions.
+	 * @param WP_Post $post       The WP_Post attachment object.
+	 */
+	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
+
+	$image_edit_button = '';
+
+	if ( wp_attachment_is_image( $post->ID ) && wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
+		$nonce             = wp_create_nonce( "image_editor-$post->ID" );
+		$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
+	}
+
+	$attachment_url = get_permalink( $attachment_id );
+
+	$item = "
+		$type_html
+		$toggle_links
+		$order
+		$display_title
+		<table class='slidetoggle describe $class'>
+			<thead class='media-item-info' id='media-head-$post->ID'>
+			<tr>
+			<td class='A1B1' id='thumbnail-head-$post->ID'>
+			<p><a href='$attachment_url' target='_blank'><img class='thumbnail' src='$thumb_url' alt='' /></a></p>
+			<p>$image_edit_button</p>
+			</td>
+			<td>
+			<p><strong>" . __( 'File name:' ) . "</strong> $filename</p>
+			<p><strong>" . __( 'File type:' ) . "</strong> $post->post_mime_type</p>
+			<p><strong>" . __( 'Upload date:' ) . '</strong> ' . mysql2date( __( 'F j, Y' ), $post->post_date ) . '</p>';
+
+	if ( ! empty( $media_dims ) ) {
+		$item .= '<p><strong>' . __( 'Dimensions:' ) . "</strong> $media_dims</p>\n";
+	}
+
+	$item .= "</td></tr>\n";
+
+	$item .= "
+		</thead>
+		<tbody>
+		<tr><td colspan='2' class='imgedit-response' id='imgedit-response-$post->ID'></td></tr>\n
+		<tr><td style='display:none' colspan='2' class='image-editor' id='image-editor-$post->ID'></td></tr>\n
+		<tr><td colspan='2'><p class='media-types media-types-required-info'>" .
+			wp_required_field_message() .
+		"</p></td></tr>\n";
+
+	$defaults = array(
+		'input'      => 'text',
+		'required'   => false,
+		'value'      => '',
+		'extra_rows' => array(),
+	);
+
+	if ( $parsed_args['send'] ) {
+		$parsed_args['send'] = get_submit_button( __( 'Insert into Post' ), '', "send[$attachment_id]", false );
+	}
+
+	$delete = empty( $parsed_args['delete'] ) ? '' : $parsed_args['delete'];
+	if ( $delete && current_user_can( 'delete_post', $attachment_id ) ) {
+		if ( ! EMPTY_TRASH_DAYS ) {
+			$delete = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
+		} elseif ( ! MEDIA_TRASH ) {
+			$delete = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
+				<div id='del_attachment_$attachment_id' class='del-attachment' style='display:none;'>" .
+				/* translators: %s: File name. */
+				'<p>' . sprintf( __( 'You are about to delete %s.' ), '<strong>' . $filename . '</strong>' ) . "</p>
+				<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='button'>" . __( 'Continue' ) . "</a>
+				<a href='#' class='button' onclick=\"this.parentNode.style.display='none';return false;\">" . __( 'Cancel' ) . '</a>
+				</div>';
+		} else {
+			$delete = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
+			<a href='" . wp_nonce_url( "post.php?action=untrash&amp;post=$attachment_id", 'untrash-post_' . $attachment_id ) . "' id='undo[$attachment_id]' class='undo hidden'>" . __( 'Undo' ) . '</a>';
+		}
+	} else {
+		$delete = '';
+	}
+
+	$thumbnail       = '';
+	$calling_post_id = 0;
+
+	if ( isset( $_GET['post_id'] ) ) {
+		$calling_post_id = absint( $_GET['post_id'] );
+	} elseif ( isset( $_POST ) && count( $_POST ) ) {// Like for async-upload where $_GET['post_id'] isn't set.
+		$calling_post_id = $post->post_parent;
+	}
+
+	if ( 'image' === $type && $calling_post_id
+		&& current_theme_supports( 'post-thumbnails', get_post_type( $calling_post_id ) )
+		&& post_type_supports( get_post_type( $calling_post_id ), 'thumbnail' )
+		&& get_post_thumbnail_id( $calling_post_id ) != $attachment_id
+	) {
+
+		$calling_post             = get_post( $calling_post_id );
+		$calling_post_type_object = get_post_type_object( $calling_post->post_type );
+
+		$ajax_nonce = wp_create_nonce( "set_post_thumbnail-$calling_post_id" );
+		$thumbnail  = "<a class='wp-post-thumbnail' id='wp-post-thumbnail-" . $attachment_id . "' href='#' onclick='WPSetAsThumbnail(\"$attachment_id\", \"$ajax_nonce\");return false;'>" . esc_html( $calling_post_type_object->labels->use_featured_image ) . '</a>';
+	}
+
+	if ( ( $parsed_args['send'] || $thumbnail || $delete ) && ! isset( $form_fields['buttons'] ) ) {
+		$form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>" . $parsed_args['send'] . " $thumbnail $delete</td></tr>\n" );
+	}
+
+	$hidden_fields = array();
+
+	foreach ( $form_fields as $id => $field ) {
+		if ( '_' === $id[0] ) {
+			continue;
+		}
+
+		if ( ! empty( $field['tr'] ) ) {
+			$item .= $field['tr'];
+			continue;
+		}
+
+		$field = array_merge( $defaults, $field );
+		$name  = "attachments[$attachment_id][$id]";
+
+		if ( 'hidden' === $field['input'] ) {
+			$hidden_fields[ $name ] = $field['value'];
+			continue;
+		}
+
+		$required      = $field['required'] ? ' ' . wp_required_field_indicator() : '';
+		$required_attr = $field['required'] ? ' required' : '';
+		$class         = $id;
+		$class        .= $field['required'] ? ' form-required' : '';
+
+		$item .= "\t\t<tr class='$class'>\n\t\t\t<th scope='row' class='label'><label for='$name'><span class='alignleft'>{$field['label']}{$required}</span><br class='clear' /></label></th>\n\t\t\t<td class='field'>";
+
+		if ( ! empty( $field[ $field['input'] ] ) ) {
+			$item .= $field[ $field['input'] ];
+		} elseif ( 'textarea' === $field['input'] ) {
+			if ( 'post_content' === $id && user_can_richedit() ) {
+				// Sanitize_post() skips the post_content when user_can_richedit.
+				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
+			}
+			// Post_excerpt is already escaped by sanitize_post() in get_attachment_fields_to_edit().
+			$item .= "<textarea id='$name' name='$name'{$required_attr}>" . $field['value'] . '</textarea>';
+		} else {
+			$item .= "<input type='text' class='text' id='$name' name='$name' value='" . esc_attr( $field['value'] ) . "'{$required_attr} />";
+		}
+
+		if ( ! empty( $field['helps'] ) ) {
+			$item .= "<p class='help'>" . implode( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
+		}
+		$item .= "</td>\n\t\t</tr>\n";
+
+		$extra_rows = array();
+
+		if ( ! empty( $field['errors'] ) ) {
+			foreach ( array_unique( (array) $field['errors'] ) as $error ) {
+				$extra_rows['error'][] = $error;
+			}
+		}
+
+		if ( ! empty( $field['extra_rows'] ) ) {
+			foreach ( $field['extra_rows'] as $class => $rows ) {
+				foreach ( (array) $rows as $html ) {
+					$extra_rows[ $class ][] = $html;
+				}
+			}
+		}
+
+		foreach ( $extra_rows as $class => $rows ) {
+			foreach ( $rows as $html ) {
+				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
+			}
+		}
+	}
+
+	if ( ! empty( $form_fields['_final'] ) ) {
+		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
+	}
+
+	$item .= "\t</tbody>\n";
+	$item .= "\t</table>\n";
+
+	foreach ( $hidden_fields as $name => $value ) {
+		$item .= "\t<input type='hidden' name='$name' id='$name' value='" . esc_attr( $value ) . "' />\n";
+	}
+
+	if ( $post->post_parent < 1 && isset( $_REQUEST['post_id'] ) ) {
+		$parent      = (int) $_REQUEST['post_id'];
+		$parent_name = "attachments[$attachment_id][post_parent]";
+		$item       .= "\t<input type='hidden' name='$parent_name' id='$parent_name' value='$parent' />\n";
+	}
+
+	return $item;
+}
+
+/**
+ * @since 3.5.0
+ *
+ * @param int   $attachment_id
+ * @param array $args
+ * @return array
+ */
+function get_compat_media_markup( $attachment_id, $args = null ) {
+	$post = get_post( $attachment_id );
+
+	$default_args = array(
+		'errors'   => null,
+		'in_modal' => false,
+	);
+
+	$user_can_edit = current_user_can( 'edit_post', $attachment_id );
+
+	$args = wp_parse_args( $args, $default_args );
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$args = apply_filters( 'get_media_item_args', $args );
+
+	$form_fields = array();
+
+	if ( $args['in_modal'] ) {
+		foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
+			$t = (array) get_taxonomy( $taxonomy );
+
+			if ( ! $t['public'] || ! $t['show_ui'] ) {
+				continue;
+			}
+
+			if ( empty( $t['label'] ) ) {
+				$t['label'] = $taxonomy;
+			}
+
+			if ( empty( $t['args'] ) ) {
+				$t['args'] = array();
+			}
+
+			$terms = get_object_term_cache( $post->ID, $taxonomy );
+
+			if ( false === $terms ) {
+				$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
+			}
+
+			$values = array();
+
+			foreach ( $terms as $term ) {
+				$values[] = $term->slug;
+			}
+
+			$t['value']    = implode( ', ', $values );
+			$t['taxonomy'] = true;
+
+			$form_fields[ $taxonomy ] = $t;
+		}
+	}
+
+	/*
+	 * Merge default fields with their errors, so any key passed with the error
+	 * (e.g. 'error', 'helps', 'value') will replace the default.
+	 * The recursive merge is easily traversed with array casting:
+	 * foreach ( (array) $things as $thing )
+	 */
+	$form_fields = array_merge_recursive( $form_fields, (array) $args['errors'] );
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
+
+	unset(
+		$form_fields['image-size'],
+		$form_fields['align'],
+		$form_fields['image_alt'],
+		$form_fields['post_title'],
+		$form_fields['post_excerpt'],
+		$form_fields['post_content'],
+		$form_fields['url'],
+		$form_fields['menu_order'],
+		$form_fields['image_url']
+	);
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$media_meta = apply_filters( 'media_meta', '', $post );
+
+	$defaults = array(
+		'input'         => 'text',
+		'required'      => false,
+		'value'         => '',
+		'extra_rows'    => array(),
+		'show_in_edit'  => true,
+		'show_in_modal' => true,
+	);
+
+	$hidden_fields = array();
+
+	$item = '';
+
+	foreach ( $form_fields as $id => $field ) {
+		if ( '_' === $id[0] ) {
+			continue;
+		}
+
+		$name    = "attachments[$attachment_id][$id]";
+		$id_attr = "attachments-$attachment_id-$id";
+
+		if ( ! empty( $field['tr'] ) ) {
+			$item .= $field['tr'];
+			continue;
+		}
+
+		$field = array_merge( $defaults, $field );
+
+		if ( ( ! $field['show_in_edit'] && ! $args['in_modal'] ) || ( ! $field['show_in_modal'] && $args['in_modal'] ) ) {
+			continue;
+		}
+
+		if ( 'hidden' === $field['input'] ) {
+			$hidden_fields[ $name ] = $field['value'];
+			continue;
+		}
+
+		$readonly      = ! $user_can_edit && ! empty( $field['taxonomy'] ) ? " readonly='readonly' " : '';
+		$required      = $field['required'] ? ' ' . wp_required_field_indicator() : '';
+		$required_attr = $field['required'] ? ' required' : '';
+		$class         = 'compat-field-' . $id;
+		$class        .= $field['required'] ? ' form-required' : '';
+
+		$item .= "\t\t<tr class='$class'>";
+		$item .= "\t\t\t<th scope='row' class='label'><label for='$id_attr'><span class='alignleft'>{$field['label']}</span>$required<br class='clear' /></label>";
+		$item .= "</th>\n\t\t\t<td class='field'>";
+
+		if ( ! empty( $field[ $field['input'] ] ) ) {
+			$item .= $field[ $field['input'] ];
+		} elseif ( 'textarea' === $field['input'] ) {
+			if ( 'post_content' === $id && user_can_richedit() ) {
+				// sanitize_post() skips the post_content when user_can_richedit.
+				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
+			}
+			$item .= "<textarea id='$id_attr' name='$name'{$required_attr}>" . $field['value'] . '</textarea>';
+		} else {
+			$item .= "<input type='text' class='text' id='$id_attr' name='$name' value='" . esc_attr( $field['value'] ) . "' $readonly{$required_attr} />";
+		}
+
+		if ( ! empty( $field['helps'] ) ) {
+			$item .= "<p class='help'>" . implode( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
+		}
+
+		$item .= "</td>\n\t\t</tr>\n";
+
+		$extra_rows = array();
+
+		if ( ! empty( $field['errors'] ) ) {
+			foreach ( array_unique( (array) $field['errors'] ) as $error ) {
+				$extra_rows['error'][] = $error;
+			}
+		}
+
+		if ( ! empty( $field['extra_rows'] ) ) {
+			foreach ( $field['extra_rows'] as $class => $rows ) {
+				foreach ( (array) $rows as $html ) {
+					$extra_rows[ $class ][] = $html;
+				}
+			}
+		}
+
+		foreach ( $extra_rows as $class => $rows ) {
+			foreach ( $rows as $html ) {
+				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
+			}
+		}
+	}
+
+	if ( ! empty( $form_fields['_final'] ) ) {
+		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
+	}
+
+	if ( $item ) {
+		$item = '<p class="media-types media-types-required-info">' .
+			wp_required_field_message() .
+			'</p>' .
+			'<table class="compat-attachment-fields">' . $item . '</table>';
+	}
+
+	foreach ( $hidden_fields as $hidden_field => $value ) {
+		$item .= '<input type="hidden" name="' . esc_attr( $hidden_field ) . '" value="' . esc_attr( $value ) . '" />' . "\n";
+	}
+
+	if ( $item ) {
+		$item = '<input type="hidden" name="attachments[' . $attachment_id . '][menu_order]" value="' . esc_attr( $post->menu_order ) . '" />' . $item;
+	}
+
+	return array(
+		'item' => $item,
+		'meta' => $media_meta,
+	);
+}
+
+/**
+ * Outputs the legacy media upload header.
+ *
+ * @since 2.5.0
+ */
+function media_upload_header() {
+	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
+
+	echo '<script type="text/javascript">post_id = ' . $post_id . ';</script>';
+
+	if ( empty( $_GET['chromeless'] ) ) {
+		echo '<div id="media-upload-header">';
+		the_media_upload_tabs();
+		echo '</div>';
+	}
+}
+
+/**
+ * Outputs the legacy media upload form.
+ *
+ * @since 2.5.0
+ *
+ * @global string $type
+ * @global string $tab
+ *
+ * @param array $errors
+ */
+function media_upload_form( $errors = null ) {
+	global $type, $tab;
+
+	if ( ! _device_can_upload() ) {
+		echo '<p>' . sprintf(
+			/* translators: %s: https://apps.wordpress.org/ */
+			__( 'The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.' ),
+			'https://apps.wordpress.org/'
+		) . '</p>';
+		return;
+	}
+
+	$upload_action_url = admin_url( 'async-upload.php' );
+	$post_id           = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
+	$_type             = isset( $type ) ? $type : '';
+	$_tab              = isset( $tab ) ? $tab : '';
+
+	$max_upload_size = wp_max_upload_size();
+	if ( ! $max_upload_size ) {
+		$max_upload_size = 0;
+	}
+
+	?>
+	<div id="media-upload-notice">
+	<?php
+
+	if ( isset( $errors['upload_notice'] ) ) {
+		echo $errors['upload_notice'];
+	}
+
+	?>
+	</div>
+	<div id="media-upload-error">
+	<?php
+
+	if ( isset( $errors['upload_error'] ) && is_wp_error( $errors['upload_error'] ) ) {
+		echo $errors['upload_error']->get_error_message();
+	}
+
+	?>
+	</div>
+	<?php
+
+	if ( is_multisite() && ! is_upload_space_available() ) {
+		/**
+		 * Fires when an upload will exceed the defined upload space quota for a network site.
+		 *
+		 * @since 3.5.0
+		 */
+		do_action( 'upload_ui_over_quota' );
+		return;
+	}
+
+	/**
+	 * Fires just before the legacy (pre-3.5.0) upload interface is loaded.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'pre-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	$post_params = array(
+		'post_id'  => $post_id,
+		'_wpnonce' => wp_create_nonce( 'media-form' ),
+		'type'     => $_type,
+		'tab'      => $_tab,
+		'short'    => '1',
+	);
+
+	/**
+	 * Filters the media upload post parameters.
+	 *
+	 * @since 3.1.0 As 'swfupload_post_params'
+	 * @since 3.3.0
+	 *
+	 * @param array $post_params An array of media upload parameters used by Plupload.
+	 */
+	$post_params = apply_filters( 'upload_post_params', $post_params );
+
+	/*
+	* Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
+	* and the `flash_swf_url` and `silverlight_xap_url` are not used.
+	*/
+	$plupload_init = array(
+		'browse_button'    => 'plupload-browse-button',
+		'container'        => 'plupload-upload-ui',
+		'drop_element'     => 'drag-drop-area',
+		'file_data_name'   => 'async-upload',
+		'url'              => $upload_action_url,
+		'filters'          => array( 'max_file_size' => $max_upload_size . 'b' ),
+		'multipart_params' => $post_params,
+	);
+
+	/*
+	 * Currently only iOS Safari supports multiple files uploading,
+	 * but iOS 7.x has a bug that prevents uploading of videos when enabled.
+	 * See #29602.
+	 */
+	if (
+		wp_is_mobile() &&
+		str_contains( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) &&
+		str_contains( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' )
+	) {
+		$plupload_init['multi_selection'] = false;
+	}
+
+	// Check if WebP images can be edited.
+	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) {
+		$plupload_init['webp_upload_error'] = true;
+	}
+
+	/**
+	 * Filters the default Plupload settings.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $plupload_init An array of default settings used by Plupload.
+	 */
+	$plupload_init = apply_filters( 'plupload_init', $plupload_init );
+
+	?>
+	<script type="text/javascript">
+	<?php
+	// Verify size is an int. If not return default value.
+	$large_size_h = absint( get_option( 'large_size_h' ) );
+
+	if ( ! $large_size_h ) {
+		$large_size_h = 1024;
+	}
+
+	$large_size_w = absint( get_option( 'large_size_w' ) );
+
+	if ( ! $large_size_w ) {
+		$large_size_w = 1024;
+	}
+
+	?>
+	var resize_height = <?php echo $large_size_h; ?>, resize_width = <?php echo $large_size_w; ?>,
+	wpUploaderInit = <?php echo wp_json_encode( $plupload_init ); ?>;
+	</script>
+
+	<div id="plupload-upload-ui" class="hide-if-no-js">
+	<?php
+	/**
+	 * Fires before the upload interface loads.
+	 *
+	 * @since 2.6.0 As 'pre-flash-upload-ui'
+	 * @since 3.3.0
+	 */
+	do_action( 'pre-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	?>
+	<div id="drag-drop-area">
+		<div class="drag-drop-inside">
+		<p class="drag-drop-info"><?php _e( 'Drop files to upload' ); ?></p>
+		<p><?php _ex( 'or', 'Uploader: Drop files here - or - Select Files' ); ?></p>
+		<p class="drag-drop-buttons"><input id="plupload-browse-button" type="button" value="<?php esc_attr_e( 'Select Files' ); ?>" class="button" /></p>
+		</div>
+	</div>
+	<?php
+	/**
+	 * Fires after the upload interface loads.
+	 *
+	 * @since 2.6.0 As 'post-flash-upload-ui'
+	 * @since 3.3.0
+	 */
+	do_action( 'post-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+	?>
+	</div>
+
+	<div id="html-upload-ui" class="hide-if-js">
+	<?php
+	/**
+	 * Fires before the upload button in the media upload interface.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'pre-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	?>
+	<p id="async-upload-wrap">
+		<label class="screen-reader-text" for="async-upload">
+			<?php
+			/* translators: Hidden accessibility text. */
+			_e( 'Upload' );
+			?>
+		</label>
+		<input type="file" name="async-upload" id="async-upload" />
+		<?php submit_button( __( 'Upload' ), 'primary', 'html-upload', false ); ?>
+		<a href="#" onclick="try{top.tb_remove();}catch(e){}; return false;"><?php _e( 'Cancel' ); ?></a>
+	</p>
+	<div class="clear"></div>
+	<?php
+	/**
+	 * Fires after the upload button in the media upload interface.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'post-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+	?>
+	</div>
+
+<p class="max-upload-size">
+	<?php
+	/* translators: %s: Maximum allowed file size. */
+	printf( __( 'Maximum upload file size: %s.' ), esc_html( size_format( $max_upload_size ) ) );
+	?>
+</p>
+	<?php
+
+	/**
+	 * Fires on the post upload UI screen.
+	 *
+	 * Legacy (pre-3.5.0) media workflow hook.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'post-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+}
+
+/**
+ * Outputs the legacy media upload form for a given media type.
+ *
+ * @since 2.5.0
+ *
+ * @param string       $type
+ * @param array        $errors
+ * @param int|WP_Error $id
+ */
+function media_upload_type_form( $type = 'file', $errors = null, $id = null ) {
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
+
+	$form_action_url = admin_url( "media-upload.php?type=$type&tab=type&post_id=$post_id" );
+
+	/**
+	 * Filters the media upload form action URL.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $form_action_url The media upload form action URL.
+	 * @param string $type            The type of media. Default 'file'.
+	 */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class      = 'media-upload-form type-form validate';
+
+	if ( get_user_setting( 'uploader' ) ) {
+		$form_class .= ' html-uploader';
+	}
+
+	?>
+	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
+		<?php submit_button( '', 'hidden', 'save', false ); ?>
+	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+		<?php wp_nonce_field( 'media-form' ); ?>
+
+	<h3 class="media-title"><?php _e( 'Add media files from your computer' ); ?></h3>
+
+	<?php media_upload_form( $errors ); ?>
+
+	<script type="text/javascript">
+	jQuery(function($){
+		var preloaded = $(".media-item.preloaded");
+		if ( preloaded.length > 0 ) {
+			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+		}
+		updateMediaForm();
+	});
+	</script>
+	<div id="media-items">
+	<?php
+
+	if ( $id ) {
+		if ( ! is_wp_error( $id ) ) {
+			add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 );
+			echo get_media_items( $id, $errors );
+		} else {
+			echo '<div id="media-upload-error">' . esc_html( $id->get_error_message() ) . '</div></div>';
+			exit;
+		}
+	}
+
+	?>
+	</div>
+
+	<p class="savebutton ml-submit">
+		<?php submit_button( __( 'Save all changes' ), '', 'save', false ); ?>
+	</p>
+	</form>
+	<?php
+}
+
+/**
+ * Outputs the legacy media upload form for external media.
+ *
+ * @since 2.7.0
+ *
+ * @param string  $type
+ * @param object  $errors
+ * @param int     $id
+ */
+function media_upload_type_url_form( $type = null, $errors = null, $id = null ) {
+	if ( null === $type ) {
+		$type = 'image';
+	}
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
+
+	$form_action_url = admin_url( "media-upload.php?type=$type&tab=type&post_id=$post_id" );
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class      = 'media-upload-form type-form validate';
+
+	if ( get_user_setting( 'uploader' ) ) {
+		$form_class .= ' html-uploader';
+	}
+
+	?>
+	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
+	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+		<?php wp_nonce_field( 'media-form' ); ?>
+
+	<h3 class="media-title"><?php _e( 'Insert media from another website' ); ?></h3>
+
+	<script type="text/javascript">
+	var addExtImage = {
+
+	width : '',
+	height : '',
+	align : 'alignnone',
+
+	insert : function() {
+		var t = this, html, f = document.forms[0], cls, title = '', alt = '', caption = '';
+
+		if ( '' === f.src.value || '' === t.width )
+			return false;
+
+		if ( f.alt.value )
+			alt = f.alt.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+
+		<?php
+		/** This filter is documented in wp-admin/includes/media.php */
+		if ( ! apply_filters( 'disable_captions', '' ) ) {
+			?>
+			if ( f.caption.value ) {
+				caption = f.caption.value.replace(/\r\n|\r/g, '\n');
+				caption = caption.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g, function(a){
+					return a.replace(/[\r\n\t]+/, ' ');
+				});
+
+				caption = caption.replace(/\s*\n\s*/g, '<br />');
+			}
+			<?php
+		}
+
+		?>
+		cls = caption ? '' : ' class="'+t.align+'"';
+
+		html = '<img alt="'+alt+'" src="'+f.src.value+'"'+cls+' width="'+t.width+'" height="'+t.height+'" />';
+
+		if ( f.url.value ) {
+			url = f.url.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+			html = '<a href="'+url+'">'+html+'</a>';
+		}
+
+		if ( caption )
+			html = '[caption id="" align="'+t.align+'" width="'+t.width+'"]'+html+caption+'[/caption]';
+
+		var win = window.dialogArguments || opener || parent || top;
+		win.send_to_editor(html);
+		return false;
+	},
+
+	resetImageData : function() {
+		var t = addExtImage;
+
+		t.width = t.height = '';
+		document.getElementById('go_button').style.color = '#bbb';
+		if ( ! document.forms[0].src.value )
+			document.getElementById('status_img').innerHTML = '';
+		else document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/no.png' ) ); ?>" alt="" />';
+	},
+
+	updateImageData : function() {
+		var t = addExtImage;
+
+		t.width = t.preloadImg.width;
+		t.height = t.preloadImg.height;
+		document.getElementById('go_button').style.color = '#333';
+		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/yes.png' ) ); ?>" alt="" />';
+	},
+
+	getImageData : function() {
+		if ( jQuery('table.describe').hasClass('not-image') )
+			return;
+
+		var t = addExtImage, src = document.forms[0].src.value;
+
+		if ( ! src ) {
+			t.resetImageData();
+			return false;
+		}
+
+		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" alt="" width="16" height="16" />';
+		t.preloadImg = new Image();
+		t.preloadImg.onload = t.updateImageData;
+		t.preloadImg.onerror = t.resetImageData;
+		t.preloadImg.src = src;
+	}
+	};
+
+	jQuery( function($) {
+		$('.media-types input').click( function() {
+			$('table.describe').toggleClass('not-image', $('#not-image').prop('checked') );
+		});
+	} );
+	</script>
+
+	<div id="media-items">
+	<div class="media-item media-blank">
+	<?php
+	/**
+	 * Filters the insert media from URL form HTML.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $form_html The insert from URL form HTML.
+	 */
+	echo apply_filters( 'type_url_form_media', wp_media_insert_url_form( $type ) );
+
+	?>
+	</div>
+	</div>
+	</form>
+	<?php
+}
+
+/**
+ * Adds gallery form to upload iframe.
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ * @global string $type
+ * @global string $tab
+ *
+ * @param array $errors
+ */
+function media_upload_gallery_form( $errors ) {
+	global $redir_tab, $type;
+
+	$redir_tab = 'gallery';
+	media_upload_header();
+
+	$post_id         = (int) $_REQUEST['post_id'];
+	$form_action_url = admin_url( "media-upload.php?type=$type&tab=gallery&post_id=$post_id" );
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class      = 'media-upload-form validate';
+
+	if ( get_user_setting( 'uploader' ) ) {
+		$form_class .= ' html-uploader';
+	}
+
+	?>
+	<script type="text/javascript">
+	jQuery(function($){
+		var preloaded = $(".media-item.preloaded");
+		if ( preloaded.length > 0 ) {
+			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+			updateMediaForm();
+		}
+	});
+	</script>
+	<div id="sort-buttons" class="hide-if-no-js">
+	<span>
+		<?php _e( 'All Tabs:' ); ?>
+	<a href="#" id="showall"><?php _e( 'Show' ); ?></a>
+	<a href="#" id="hideall" style="display:none;"><?php _e( 'Hide' ); ?></a>
+	</span>
+		<?php _e( 'Sort Order:' ); ?>
+	<a href="#" id="asc"><?php _e( 'Ascending' ); ?></a> |
+	<a href="#" id="desc"><?php _e( 'Descending' ); ?></a> |
+	<a href="#" id="clear"><?php _ex( 'Clear', 'verb' ); ?></a>
+	</div>
+	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="gallery-form">
+		<?php wp_nonce_field( 'media-form' ); ?>
+	<table class="widefat">
+	<thead><tr>
+	<th><?php _e( 'Media' ); ?></th>
+	<th class="order-head"><?php _e( 'Order' ); ?></th>
+	<th class="actions-head"><?php _e( 'Actions' ); ?></th>
+	</tr></thead>
+	</table>
+	<div id="media-items">
+		<?php add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 ); ?>
+		<?php echo get_media_items( $post_id, $errors ); ?>
+	</div>
+
+	<p class="ml-submit">
+		<?php
+		submit_button(
+			__( 'Save all changes' ),
+			'savebutton',
+			'save',
+			false,
+			array(
+				'id'    => 'save-all',
+				'style' => 'display: none;',
+			)
+		);
+		?>
+	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+	<input type="hidden" name="type" value="<?php echo esc_attr( $GLOBALS['type'] ); ?>" />
+	<input type="hidden" name="tab" value="<?php echo esc_attr( $GLOBALS['tab'] ); ?>" />
+	</p>
+
+	<div id="gallery-settings" style="display:none;">
+	<div class="title"><?php _e( 'Gallery Settings' ); ?></div>
+	<table id="basic" class="describe"><tbody>
+		<tr>
+		<th scope="row" class="label">
+			<label>
+			<span class="alignleft"><?php _e( 'Link thumbnails to:' ); ?></span>
+			</label>
+		</th>
+		<td class="field">
+			<input type="radio" name="linkto" id="linkto-file" value="file" />
+			<label for="linkto-file" class="radio"><?php _e( 'Image File' ); ?></label>
+
+			<input type="radio" checked="checked" name="linkto" id="linkto-post" value="post" />
+			<label for="linkto-post" class="radio"><?php _e( 'Attachment Page' ); ?></label>
+		</td>
+		</tr>
+
+		<tr>
+		<th scope="row" class="label">
+			<label>
+			<span class="alignleft"><?php _e( 'Order images by:' ); ?></span>
+			</label>
+		</th>
+		<td class="field">
+			<select id="orderby" name="orderby">
+				<option value="menu_order" selected="selected"><?php _e( 'Menu order' ); ?></option>
+				<option value="title"><?php _e( 'Title' ); ?></option>
+				<option value="post_date"><?php _e( 'Date/Time' ); ?></option>
+				<option value="rand"><?php _e( 'Random' ); ?></option>
+			</select>
+		</td>
+		</tr>
+
+		<tr>
+		<th scope="row" class="label">
+			<label>
+			<span class="alignleft"><?php _e( 'Order:' ); ?></span>
+			</label>
+		</th>
+		<td class="field">
+			<input type="radio" checked="checked" name="order" id="order-asc" value="asc" />
+			<label for="order-asc" class="radio"><?php _e( 'Ascending' ); ?></label>
+
+			<input type="radio" name="order" id="order-desc" value="desc" />
+			<label for="order-desc" class="radio"><?php _e( 'Descending' ); ?></label>
+		</td>
+		</tr>
+
+		<tr>
+		<th scope="row" class="label">
+			<label>
+			<span class="alignleft"><?php _e( 'Gallery columns:' ); ?></span>
+			</label>
+		</th>
+		<td class="field">
+			<select id="columns" name="columns">
+				<option value="1">1</option>
+				<option value="2">2</option>
+				<option value="3" selected="selected">3</option>
+				<option value="4">4</option>
+				<option value="5">5</option>
+				<option value="6">6</option>
+				<option value="7">7</option>
+				<option value="8">8</option>
+				<option value="9">9</option>
+			</select>
+		</td>
+		</tr>
+	</tbody></table>
+
+	<p class="ml-submit">
+	<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="insert-gallery" id="insert-gallery" value="<?php esc_attr_e( 'Insert gallery' ); ?>" />
+	<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="update-gallery" id="update-gallery" value="<?php esc_attr_e( 'Update gallery settings' ); ?>" />
+	</p>
+	</div>
+	</form>
+	<?php
+}
+
+/**
+ * Outputs the legacy media upload form for the media library.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb      $wpdb            WordPress database abstraction object.
+ * @global WP_Query  $wp_query        WordPress Query object.
+ * @global WP_Locale $wp_locale       WordPress date and time locale object.
+ * @global string    $type
+ * @global string    $tab
+ * @global array     $post_mime_types
+ *
+ * @param array $errors
+ */
+function media_upload_library_form( $errors ) {
+	global $wpdb, $wp_query, $wp_locale, $type, $tab, $post_mime_types;
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
+
+	$form_action_url = admin_url( "media-upload.php?type=$type&tab=library&post_id=$post_id" );
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class      = 'media-upload-form validate';
+
+	if ( get_user_setting( 'uploader' ) ) {
+		$form_class .= ' html-uploader';
+	}
+
+	$q                   = $_GET;
+	$q['posts_per_page'] = 10;
+	$q['paged']          = isset( $q['paged'] ) ? (int) $q['paged'] : 0;
+	if ( $q['paged'] < 1 ) {
+		$q['paged'] = 1;
+	}
+	$q['offset'] = ( $q['paged'] - 1 ) * 10;
+	if ( $q['offset'] < 1 ) {
+		$q['offset'] = 0;
+	}
+
+	list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query( $q );
+
+	?>
+	<form id="filter" method="get">
+	<input type="hidden" name="type" value="<?php echo esc_attr( $type ); ?>" />
+	<input type="hidden" name="tab" value="<?php echo esc_attr( $tab ); ?>" />
+	<input type="hidden" name="post_id" value="<?php echo (int) $post_id; ?>" />
+	<input type="hidden" name="post_mime_type" value="<?php echo isset( $_GET['post_mime_type'] ) ? esc_attr( $_GET['post_mime_type'] ) : ''; ?>" />
+	<input type="hidden" name="context" value="<?php echo isset( $_GET['context'] ) ? esc_attr( $_GET['context'] ) : ''; ?>" />
+
+	<p id="media-search" class="search-box">
+		<label class="screen-reader-text" for="media-search-input">
+			<?php
+			/* translators: Hidden accessibility text. */
+			_e( 'Search Media:' );
+			?>
+		</label>
+		<input type="search" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
+		<?php submit_button( __( 'Search Media' ), '', '', false ); ?>
+	</p>
+
+	<ul class="subsubsub">
+		<?php
+		$type_links = array();
+		$_num_posts = (array) wp_count_attachments();
+		$matches    = wp_match_mime_types( array_keys( $post_mime_types ), array_keys( $_num_posts ) );
+		foreach ( $matches as $_type => $reals ) {
+			foreach ( $reals as $real ) {
+				if ( isset( $num_posts[ $_type ] ) ) {
+					$num_posts[ $_type ] += $_num_posts[ $real ];
+				} else {
+					$num_posts[ $_type ] = $_num_posts[ $real ];
+				}
+			}
+		}
+		// If available type specified by media button clicked, filter by that type.
+		if ( empty( $_GET['post_mime_type'] ) && ! empty( $num_posts[ $type ] ) ) {
+			$_GET['post_mime_type']                        = $type;
+			list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query();
+		}
+		if ( empty( $_GET['post_mime_type'] ) || 'all' === $_GET['post_mime_type'] ) {
+			$class = ' class="current"';
+		} else {
+			$class = '';
+		}
+		$type_links[] = '<li><a href="' . esc_url(
+			add_query_arg(
+				array(
+					'post_mime_type' => 'all',
+					'paged'          => false,
+					'm'              => false,
+				)
+			)
+		) . '"' . $class . '>' . __( 'All Types' ) . '</a>';
+		foreach ( $post_mime_types as $mime_type => $label ) {
+			$class = '';
+
+			if ( ! wp_match_mime_types( $mime_type, $avail_post_mime_types ) ) {
+				continue;
+			}
+
+			if ( isset( $_GET['post_mime_type'] ) && wp_match_mime_types( $mime_type, $_GET['post_mime_type'] ) ) {
+				$class = ' class="current"';
+			}
+
+			$type_links[] = '<li><a href="' . esc_url(
+				add_query_arg(
+					array(
+						'post_mime_type' => $mime_type,
+						'paged'          => false,
+					)
+				)
+			) . '"' . $class . '>' . sprintf( translate_nooped_plural( $label[2], $num_posts[ $mime_type ] ), '<span id="' . $mime_type . '-counter">' . number_format_i18n( $num_posts[ $mime_type ] ) . '</span>' ) . '</a>';
+		}
+		/**
+		 * Filters the media upload mime type list items.
+		 *
+		 * Returned values should begin with an `<li>` tag.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string[] $type_links An array of list items containing mime type link HTML.
+		 */
+		echo implode( ' | </li>', apply_filters( 'media_upload_mime_type_links', $type_links ) ) . '</li>';
+		unset( $type_links );
+		?>
+	</ul>
+
+	<div class="tablenav">
+
+		<?php
+		$page_links = paginate_links(
+			array(
+				'base'      => add_query_arg( 'paged', '%#%' ),
+				'format'    => '',
+				'prev_text' => __( '&laquo;' ),
+				'next_text' => __( '&raquo;' ),
+				'total'     => ceil( $wp_query->found_posts / 10 ),
+				'current'   => $q['paged'],
+			)
+		);
+
+		if ( $page_links ) {
+			echo "<div class='tablenav-pages'>$page_links</div>";
+		}
+		?>
+
+	<div class="alignleft actions">
+		<?php
+
+		$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";
+
+		$arc_result = $wpdb->get_results( $arc_query );
+
+		$month_count    = count( $arc_result );
+		$selected_month = isset( $_GET['m'] ) ? $_GET['m'] : 0;
+
+		if ( $month_count && ! ( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) {
+			?>
+			<select name='m'>
+			<option<?php selected( $selected_month, 0 ); ?> value='0'><?php _e( 'All dates' ); ?></option>
+			<?php
+
+			foreach ( $arc_result as $arc_row ) {
+				if ( 0 == $arc_row->yyear ) {
+					continue;
+				}
+
+				$arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );
+
+				if ( $arc_row->yyear . $arc_row->mmonth == $selected_month ) {
+					$default = ' selected="selected"';
+				} else {
+					$default = '';
+				}
+
+				echo "<option$default value='" . esc_attr( $arc_row->yyear . $arc_row->mmonth ) . "'>";
+				echo esc_html( $wp_locale->get_month( $arc_row->mmonth ) . " $arc_row->yyear" );
+				echo "</option>\n";
+			}
+
+			?>
+			</select>
+		<?php } ?>
+
+		<?php submit_button( __( 'Filter &#187;' ), '', 'post-query-submit', false ); ?>
+
+	</div>
+
+	<br class="clear" />
+	</div>
+	</form>
+
+	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="library-form">
+	<?php wp_nonce_field( 'media-form' ); ?>
+
+	<script type="text/javascript">
+	jQuery(function($){
+		var preloaded = $(".media-item.preloaded");
+		if ( preloaded.length > 0 ) {
+			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+			updateMediaForm();
+		}
+	});
+	</script>
+
+	<div id="media-items">
+		<?php add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 ); ?>
+		<?php echo get_media_items( null, $errors ); ?>
+	</div>
+	<p class="ml-submit">
+		<?php submit_button( __( 'Save all changes' ), 'savebutton', 'save', false ); ?>
+	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+	</p>
+	</form>
+	<?php
+}
+
+/**
+ * Creates the form for external url.
+ *
+ * @since 2.7.0
+ *
+ * @param string $default_view
+ * @return string HTML content of the form.
+ */
+function wp_media_insert_url_form( $default_view = 'image' ) {
+	/** This filter is documented in wp-admin/includes/media.php */
+	if ( ! apply_filters( 'disable_captions', '' ) ) {
+		$caption = '
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="caption"><span class="alignleft">' . __( 'Image Caption' ) . '</span></label>
+			</th>
+			<td class="field"><textarea id="caption" name="caption"></textarea></td>
+		</tr>';
+	} else {
+		$caption = '';
+	}
+
+	$default_align = get_option( 'image_default_align' );
+
+	if ( empty( $default_align ) ) {
+		$default_align = 'none';
+	}
+
+	if ( 'image' === $default_view ) {
+		$view        = 'image-only';
+		$table_class = '';
+	} else {
+		$view        = 'not-image';
+		$table_class = $view;
+	}
+
+	return '
+	<p class="media-types"><label><input type="radio" name="media_type" value="image" id="image-only"' . checked( 'image-only', $view, false ) . ' /> ' . __( 'Image' ) . '</label> &nbsp; &nbsp; <label><input type="radio" name="media_type" value="generic" id="not-image"' . checked( 'not-image', $view, false ) . ' /> ' . __( 'Audio, Video, or Other File' ) . '</label></p>
+	<p class="media-types media-types-required-info">' .
+		wp_required_field_message() .
+	'</p>
+	<table class="describe ' . $table_class . '"><tbody>
+		<tr>
+			<th scope="row" class="label" style="width:130px;">
+				<label for="src"><span class="alignleft">' . __( 'URL' ) . '</span> ' . wp_required_field_indicator() . '</label>
+				<span class="alignright" id="status_img"></span>
+			</th>
+			<td class="field"><input id="src" name="src" value="" type="text" required onblur="addExtImage.getImageData()" /></td>
+		</tr>
+
+		<tr>
+			<th scope="row" class="label">
+				<label for="title"><span class="alignleft">' . __( 'Title' ) . '</span> ' . wp_required_field_indicator() . '</label>
+			</th>
+			<td class="field"><input id="title" name="title" value="" type="text" required /></td>
+		</tr>
+
+		<tr class="not-image"><td></td><td><p class="help">' . __( 'Link text, e.g. &#8220;Ransom Demands (PDF)&#8221;' ) . '</p></td></tr>
+
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="alt"><span class="alignleft">' . __( 'Alternative Text' ) . '</span> ' . wp_required_field_indicator() . '</label>
+			</th>
+			<td class="field"><input id="alt" name="alt" value="" type="text" required />
+			<p class="help">' . __( 'Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;' ) . '</p></td>
+		</tr>
+		' . $caption . '
+		<tr class="align image-only">
+			<th scope="row" class="label"><p><label for="align">' . __( 'Alignment' ) . '</label></p></th>
+			<td class="field">
+				<input name="align" id="align-none" value="none" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'none' === $default_align ? ' checked="checked"' : '' ) . ' />
+				<label for="align-none" class="align image-align-none-label">' . __( 'None' ) . '</label>
+				<input name="align" id="align-left" value="left" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'left' === $default_align ? ' checked="checked"' : '' ) . ' />
+				<label for="align-left" class="align image-align-left-label">' . __( 'Left' ) . '</label>
+				<input name="align" id="align-center" value="center" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'center' === $default_align ? ' checked="checked"' : '' ) . ' />
+				<label for="align-center" class="align image-align-center-label">' . __( 'Center' ) . '</label>
+				<input name="align" id="align-right" value="right" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'right' === $default_align ? ' checked="checked"' : '' ) . ' />
+				<label for="align-right" class="align image-align-right-label">' . __( 'Right' ) . '</label>
+			</td>
+		</tr>
+
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="url"><span class="alignleft">' . __( 'Link Image To:' ) . '</span></label>
+			</th>
+			<td class="field"><input id="url" name="url" value="" type="text" /><br />
+
+			<button type="button" class="button" value="" onclick="document.forms[0].url.value=null">' . __( 'None' ) . '</button>
+			<button type="button" class="button" value="" onclick="document.forms[0].url.value=document.forms[0].src.value">' . __( 'Link to image' ) . '</button>
+			<p class="help">' . __( 'Enter a link URL or click above for presets.' ) . '</p></td>
+		</tr>
+		<tr class="image-only">
+			<td></td>
+			<td>
+				<input type="button" class="button" id="go_button" style="color:#bbb;" onclick="addExtImage.insert()" value="' . esc_attr__( 'Insert into Post' ) . '" />
+			</td>
+		</tr>
+		<tr class="not-image">
+			<td></td>
+			<td>
+				' . get_submit_button( __( 'Insert into Post' ), '', 'insertonlybutton', false ) . '
+			</td>
+		</tr>
+	</tbody></table>';
+}
+
+/**
+ * Displays the multi-file uploader message.
+ *
+ * @since 2.6.0
+ *
+ * @global int $post_ID
+ */
+function media_upload_flash_bypass() {
+	$browser_uploader = admin_url( 'media-new.php?browser-uploader' );
+
+	$post = get_post();
+	if ( $post ) {
+		$browser_uploader .= '&amp;post_id=' . (int) $post->ID;
+	} elseif ( ! empty( $GLOBALS['post_ID'] ) ) {
+		$browser_uploader .= '&amp;post_id=' . (int) $GLOBALS['post_ID'];
+	}
+
+	?>
+	<p class="upload-flash-bypass">
+	<?php
+		printf(
+			/* translators: 1: URL to browser uploader, 2: Additional link attributes. */
+			__( 'You are using the multi-file uploader. Problems? Try the <a href="%1$s" %2$s>browser uploader</a> instead.' ),
+			$browser_uploader,
+			'target="_blank"'
+		);
+	?>
+	</p>
+	<?php
+}
+
+/**
+ * Displays the browser's built-in uploader message.
+ *
+ * @since 2.6.0
+ */
+function media_upload_html_bypass() {
+	?>
+	<p class="upload-html-bypass hide-if-no-js">
+		<?php _e( 'You are using the browser&#8217;s built-in file uploader. The WordPress uploader includes multiple file selection and drag and drop capability. <a href="#">Switch to the multi-file uploader</a>.' ); ?>
+	</p>
+	<?php
+}
+
+/**
+ * Used to display a "After a file has been uploaded..." help message.
+ *
+ * @since 3.3.0
+ */
+function media_upload_text_after() {}
+
+/**
+ * Displays the checkbox to scale images.
+ *
+ * @since 3.3.0
+ */
+function media_upload_max_image_resize() {
+	$checked = get_user_setting( 'upload_resize' ) ? ' checked="true"' : '';
+	$a       = '';
+	$end     = '';
+
+	if ( current_user_can( 'manage_options' ) ) {
+		$a   = '<a href="' . esc_url( admin_url( 'options-media.php' ) ) . '" target="_blank">';
+		$end = '</a>';
+	}
+
+	?>
+	<p class="hide-if-no-js"><label>
+	<input name="image_resize" type="checkbox" id="image_resize" value="true"<?php echo $checked; ?> />
+	<?php
+	/* translators: 1: Link start tag, 2: Link end tag, 3: Width, 4: Height. */
+	printf( __( 'Scale images to match the large size selected in %1$simage options%2$s (%3$d &times; %4$d).' ), $a, $end, (int) get_option( 'large_size_w', '1024' ), (int) get_option( 'large_size_h', '1024' ) );
+
+	?>
+	</label></p>
+	<?php
+}
+
+/**
+ * Displays the out of storage quota message in Multisite.
+ *
+ * @since 3.5.0
+ */
+function multisite_over_quota_message() {
+	echo '<p>' . sprintf(
+		/* translators: %s: Allowed space allocation. */
+		__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
+		size_format( get_space_allowed() * MB_IN_BYTES )
+	) . '</p>';
+}
+
+/**
+ * Displays the image and editor in the post editor
+ *
+ * @since 3.5.0
+ *
+ * @param WP_Post $post A post object.
+ */
+function edit_form_image_editor( $post ) {
+	$open = isset( $_GET['image-editor'] );
+
+	if ( $open ) {
+		require_once ABSPATH . 'wp-admin/includes/image-edit.php';
+	}
+
+	$thumb_url     = false;
+	$attachment_id = (int) $post->ID;
+
+	if ( $attachment_id ) {
+		$thumb_url = wp_get_attachment_image_src( $attachment_id, array( 900, 450 ), true );
+	}
+
+	$alt_text = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
+
+	$att_url = wp_get_attachment_url( $post->ID );
+	?>
+	<div class="wp_attachment_holder wp-clearfix">
+	<?php
+
+	if ( wp_attachment_is_image( $post->ID ) ) :
+		$image_edit_button = '';
+		if ( wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
+			$nonce             = wp_create_nonce( "image_editor-$post->ID" );
+			$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
+		}
+
+		$open_style     = '';
+		$not_open_style = '';
+
+		if ( $open ) {
+			$open_style = ' style="display:none"';
+		} else {
+			$not_open_style = ' style="display:none"';
+		}
+
+		?>
+		<div class="imgedit-response" id="imgedit-response-<?php echo $attachment_id; ?>"></div>
+
+		<div<?php echo $open_style; ?> class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
+			<p id="thumbnail-head-<?php echo $attachment_id; ?>"><img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" /></p>
+			<p><?php echo $image_edit_button; ?></p>
+		</div>
+		<div<?php echo $not_open_style; ?> class="image-editor" id="image-editor-<?php echo $attachment_id; ?>">
+		<?php
+
+		if ( $open ) {
+			wp_image_editor( $attachment_id );
+		}
+
+		?>
+		</div>
+		<?php
+	elseif ( $attachment_id && wp_attachment_is( 'audio', $post ) ) :
+
+		wp_maybe_generate_attachment_metadata( $post );
+
+		echo wp_audio_shortcode( array( 'src' => $att_url ) );
+
+	elseif ( $attachment_id && wp_attachment_is( 'video', $post ) ) :
+
+		wp_maybe_generate_attachment_metadata( $post );
+
+		$meta = wp_get_attachment_metadata( $attachment_id );
+		$w    = ! empty( $meta['width'] ) ? min( $meta['width'], 640 ) : 0;
+		$h    = ! empty( $meta['height'] ) ? $meta['height'] : 0;
+
+		if ( $h && $w < $meta['width'] ) {
+			$h = round( ( $meta['height'] * $w ) / $meta['width'] );
+		}
+
+		$attr = array( 'src' => $att_url );
+
+		if ( ! empty( $w ) && ! empty( $h ) ) {
+			$attr['width']  = $w;
+			$attr['height'] = $h;
+		}
+
+		$thumb_id = get_post_thumbnail_id( $attachment_id );
+
+		if ( ! empty( $thumb_id ) ) {
+			$attr['poster'] = wp_get_attachment_url( $thumb_id );
+		}
+
+		echo wp_video_shortcode( $attr );
+
+	elseif ( isset( $thumb_url[0] ) ) :
+		?>
+		<div class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
+			<p id="thumbnail-head-<?php echo $attachment_id; ?>">
+				<img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" />
+			</p>
+		</div>
+		<?php
+
+	else :
+
+		/**
+		 * Fires when an attachment type can't be rendered in the edit form.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Post $post A post object.
+		 */
+		do_action( 'wp_edit_form_attachment_display', $post );
+
+	endif;
+
+	?>
+	</div>
+	<div class="wp_attachment_details edit-form-section">
+	<?php if ( str_starts_with( $post->post_mime_type, 'image' ) ) : ?>
+		<p class="attachment-alt-text">
+			<label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br />
+			<textarea class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" aria-describedby="alt-text-description"><?php echo esc_attr( $alt_text ); ?></textarea>
+		</p>
+		<p class="attachment-alt-text-description" id="alt-text-description">
+		<?php
+
+		printf(
+			/* translators: 1: Link to tutorial, 2: Additional link attributes, 3: Accessibility text. */
+			__( '<a href="%1$s" %2$s>Learn how to describe the purpose of the image%3$s</a>. Leave empty if the image is purely decorative.' ),
+			esc_url( 'https://www.w3.org/WAI/tutorials/images/decision-tree' ),
+			'target="_blank" rel="noopener"',
+			sprintf(
+				'<span class="screen-reader-text"> %s</span>',
+				/* translators: Hidden accessibility text. */
+				__( '(opens in a new tab)' )
+			)
+		);
+
+		?>
+		</p>
+	<?php endif; ?>
+
+		<p>
+			<label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br />
+			<textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea>
+		</p>
+
+	<?php
+
+	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+	$editor_args        = array(
+		'textarea_name' => 'content',
+		'textarea_rows' => 5,
+		'media_buttons' => false,
+		'tinymce'       => false,
+		'quicktags'     => $quicktags_settings,
+	);
+
+	?>
+
+	<label for="attachment_content" class="attachment-content-description"><strong><?php _e( 'Description' ); ?></strong>
+	<?php
+
+	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
+		echo ': ' . __( 'Displayed on attachment pages.' );
+	}
+
+	?>
+	</label>
+	<?php wp_editor( format_to_edit( $post->post_content ), 'attachment_content', $editor_args ); ?>
+
+	</div>
+	<?php
+
+	$extras = get_compat_media_markup( $post->ID );
+	echo $extras['item'];
+	echo '<input type="hidden" id="image-edit-context" value="edit-attachment" />' . "\n";
+}
+
+/**
+ * Displays non-editable attachment metadata in the publish meta box.
+ *
+ * @since 3.5.0
+ */
+function attachment_submitbox_metadata() {
+	$post          = get_post();
+	$attachment_id = $post->ID;
+
+	$file     = get_attached_file( $attachment_id );
+	$filename = esc_html( wp_basename( $file ) );
+
+	$media_dims = '';
+	$meta       = wp_get_attachment_metadata( $attachment_id );
+
+	if ( isset( $meta['width'], $meta['height'] ) ) {
+		$media_dims .= "<span id='media-dims-$attachment_id'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
+	}
+	/** This filter is documented in wp-admin/includes/media.php */
+	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
+
+	$att_url = wp_get_attachment_url( $attachment_id );
+
+	$author = new WP_User( $post->post_author );
+
+	$uploaded_by_name = __( '(no author)' );
+	$uploaded_by_link = '';
+
+	if ( $author->exists() ) {
+		$uploaded_by_name = $author->display_name ? $author->display_name : $author->nickname;
+		$uploaded_by_link = get_edit_user_link( $author->ID );
+	}
+	?>
+	<div class="misc-pub-section misc-pub-uploadedby">
+		<?php if ( $uploaded_by_link ) { ?>
+			<?php _e( 'Uploaded by:' ); ?> <a href="<?php echo $uploaded_by_link; ?>"><strong><?php echo $uploaded_by_name; ?></strong></a>
+		<?php } else { ?>
+			<?php _e( 'Uploaded by:' ); ?> <strong><?php echo $uploaded_by_name; ?></strong>
+		<?php } ?>
+	</div>
+
+	<?php
+	if ( $post->post_parent ) {
+		$post_parent = get_post( $post->post_parent );
+		if ( $post_parent ) {
+			$uploaded_to_title = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
+			$uploaded_to_link  = get_edit_post_link( $post->post_parent, 'raw' );
+			?>
+			<div class="misc-pub-section misc-pub-uploadedto">
+				<?php if ( $uploaded_to_link ) { ?>
+					<?php _e( 'Uploaded to:' ); ?> <a href="<?php echo $uploaded_to_link; ?>"><strong><?php echo $uploaded_to_title; ?></strong></a>
+				<?php } else { ?>
+					<?php _e( 'Uploaded to:' ); ?> <strong><?php echo $uploaded_to_title; ?></strong>
+				<?php } ?>
+			</div>
+			<?php
+		}
+	}
+	?>
+
+	<div class="misc-pub-section misc-pub-attachment">
+		<label for="attachment_url"><?php _e( 'File URL:' ); ?></label>
+		<input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
+		<span class="copy-to-clipboard-container">
+			<button type="button" class="button copy-attachment-url edit-media" data-clipboard-target="#attachment_url"><?php _e( 'Copy URL to clipboard' ); ?></button>
+			<span class="success hidden" aria-hidden="true"><?php _e( 'Copied!' ); ?></span>
+		</span>
+	</div>
+	<div class="misc-pub-section misc-pub-download">
+		<a href="<?php echo esc_attr( $att_url ); ?>" download><?php _e( 'Download file' ); ?></a>
+	</div>
+	<div class="misc-pub-section misc-pub-filename">
+		<?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
+	</div>
+	<div class="misc-pub-section misc-pub-filetype">
+		<?php _e( 'File type:' ); ?>
+		<strong>
+		<?php
+
+		if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
+			echo esc_html( strtoupper( $matches[1] ) );
+			list( $mime_type ) = explode( '/', $post->post_mime_type );
+			if ( 'image' !== $mime_type && ! empty( $meta['mime_type'] ) ) {
+				if ( "$mime_type/" . strtolower( $matches[1] ) !== $meta['mime_type'] ) {
+					echo ' (' . $meta['mime_type'] . ')';
+				}
+			}
+		} else {
+			echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
+		}
+
+		?>
+		</strong>
+	</div>
+
+	<?php
+
+	$file_size = false;
+
+	if ( isset( $meta['filesize'] ) ) {
+		$file_size = $meta['filesize'];
+	} elseif ( file_exists( $file ) ) {
+		$file_size = wp_filesize( $file );
+	}
+
+	if ( ! empty( $file_size ) ) {
+		?>
+		<div class="misc-pub-section misc-pub-filesize">
+			<?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
+		</div>
+		<?php
+	}
+
+	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
+		$fields = array(
+			'length_formatted' => __( 'Length:' ),
+			'bitrate'          => __( 'Bitrate:' ),
+		);
+
+		/**
+		 * Filters the audio and video metadata fields to be shown in the publish meta box.
+		 *
+		 * The key for each item in the array should correspond to an attachment
+		 * metadata key, and the value should be the desired label.
+		 *
+		 * @since 3.7.0
+		 * @since 4.9.0 Added the `$post` parameter.
+		 *
+		 * @param array   $fields An array of the attachment metadata keys and labels.
+		 * @param WP_Post $post   WP_Post object for the current attachment.
+		 */
+		$fields = apply_filters( 'media_submitbox_misc_sections', $fields, $post );
+
+		foreach ( $fields as $key => $label ) {
+			if ( empty( $meta[ $key ] ) ) {
+				continue;
+			}
+
+			?>
+			<div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
+				<?php echo $label; ?>
+				<strong>
+				<?php
+
+				switch ( $key ) {
+					case 'bitrate':
+						echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
+						if ( ! empty( $meta['bitrate_mode'] ) ) {
+							echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
+						}
+						break;
+					default:
+						echo esc_html( $meta[ $key ] );
+						break;
+				}
+
+				?>
+				</strong>
+			</div>
+			<?php
+		}
+
+		$fields = array(
+			'dataformat' => __( 'Audio Format:' ),
+			'codec'      => __( 'Audio Codec:' ),
+		);
+
+		/**
+		 * Filters the audio attachment metadata fields to be shown in the publish meta box.
+		 *
+		 * The key for each item in the array should correspond to an attachment
+		 * metadata key, and the value should be the desired label.
+		 *
+		 * @since 3.7.0
+		 * @since 4.9.0 Added the `$post` parameter.
+		 *
+		 * @param array   $fields An array of the attachment metadata keys and labels.
+		 * @param WP_Post $post   WP_Post object for the current attachment.
+		 */
+		$audio_fields = apply_filters( 'audio_submitbox_misc_sections', $fields, $post );
+
+		foreach ( $audio_fields as $key => $label ) {
+			if ( empty( $meta['audio'][ $key ] ) ) {
+				continue;
+			}
+
+			?>
+			<div class="misc-pub-section misc-pub-audio misc-pub-<?php echo sanitize_html_class( $key ); ?>">
+				<?php echo $label; ?> <strong><?php echo esc_html( $meta['audio'][ $key ] ); ?></strong>
+			</div>
+			<?php
+		}
+	}
+
+	if ( $media_dims ) {
+		?>
+		<div class="misc-pub-section misc-pub-dimensions">
+			<?php _e( 'Dimensions:' ); ?> <strong><?php echo $media_dims; ?></strong>
+		</div>
+		<?php
+	}
+
+	if ( ! empty( $meta['original_image'] ) ) {
+		?>
+		<div class="misc-pub-section misc-pub-original-image word-wrap-break-word">
+			<?php _e( 'Original image:' ); ?>
+			<a href="<?php echo esc_url( wp_get_original_image_url( $attachment_id ) ); ?>">
+				<strong><?php echo esc_html( wp_basename( wp_get_original_image_path( $attachment_id ) ) ); ?></strong>
+			</a>
+		</div>
+		<?php
+	}
+}
+
+/**
+ * Parses ID3v2, ID3v1, and getID3 comments to extract usable data.
+ *
+ * @since 3.6.0
+ *
+ * @param array $metadata An existing array with data.
+ * @param array $data Data supplied by ID3 tags.
+ */
+function wp_add_id3_tag_data( &$metadata, $data ) {
+	foreach ( array( 'id3v2', 'id3v1' ) as $version ) {
+		if ( ! empty( $data[ $version ]['comments'] ) ) {
+			foreach ( $data[ $version ]['comments'] as $key => $list ) {
+				if ( 'length' !== $key && ! empty( $list ) ) {
+					$metadata[ $key ] = wp_kses_post( reset( $list ) );
+					// Fix bug in byte stream analysis.
+					if ( 'terms_of_use' === $key && str_starts_with( $metadata[ $key ], 'yright notice.' ) ) {
+						$metadata[ $key ] = 'Cop' . $metadata[ $key ];
+					}
+				}
+			}
+			break;
+		}
+	}
+
+	if ( ! empty( $data['id3v2']['APIC'] ) ) {
+		$image = reset( $data['id3v2']['APIC'] );
+		if ( ! empty( $image['data'] ) ) {
+			$metadata['image'] = array(
+				'data'   => $image['data'],
+				'mime'   => $image['image_mime'],
+				'width'  => $image['image_width'],
+				'height' => $image['image_height'],
+			);
+		}
+	} elseif ( ! empty( $data['comments']['picture'] ) ) {
+		$image = reset( $data['comments']['picture'] );
+		if ( ! empty( $image['data'] ) ) {
+			$metadata['image'] = array(
+				'data' => $image['data'],
+				'mime' => $image['image_mime'],
+			);
+		}
+	}
+}
+
+/**
+ * Retrieves metadata from a video file's ID3 tags.
+ *
+ * @since 3.6.0
+ *
+ * @param string $file Path to file.
+ * @return array|false Returns array of metadata, if found.
+ */
+function wp_read_video_metadata( $file ) {
+	if ( ! file_exists( $file ) ) {
+		return false;
+	}
+
+	$metadata = array();
+
+	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
+		define( 'GETID3_TEMP_DIR', get_temp_dir() );
+	}
+
+	if ( ! class_exists( 'getID3', false ) ) {
+		require ABSPATH . WPINC . '/ID3/getid3.php';
+	}
+
+	$id3 = new getID3();
+	// Required to get the `created_timestamp` value.
+	$id3->options_audiovideo_quicktime_ReturnAtomData = true; // phpcs:ignore WordPress.NamingConventions.ValidVariableName
+
+	$data = $id3->analyze( $file );
+
+	if ( isset( $data['video']['lossless'] ) ) {
+		$metadata['lossless'] = $data['video']['lossless'];
+	}
+
+	if ( ! empty( $data['video']['bitrate'] ) ) {
+		$metadata['bitrate'] = (int) $data['video']['bitrate'];
+	}
+
+	if ( ! empty( $data['video']['bitrate_mode'] ) ) {
+		$metadata['bitrate_mode'] = $data['video']['bitrate_mode'];
+	}
+
+	if ( ! empty( $data['filesize'] ) ) {
+		$metadata['filesize'] = (int) $data['filesize'];
+	}
+
+	if ( ! empty( $data['mime_type'] ) ) {
+		$metadata['mime_type'] = $data['mime_type'];
+	}
+
+	if ( ! empty( $data['playtime_seconds'] ) ) {
+		$metadata['length'] = (int) round( $data['playtime_seconds'] );
+	}
+
+	if ( ! empty( $data['playtime_string'] ) ) {
+		$metadata['length_formatted'] = $data['playtime_string'];
+	}
+
+	if ( ! empty( $data['video']['resolution_x'] ) ) {
+		$metadata['width'] = (int) $data['video']['resolution_x'];
+	}
+
+	if ( ! empty( $data['video']['resolution_y'] ) ) {
+		$metadata['height'] = (int) $data['video']['resolution_y'];
+	}
+
+	if ( ! empty( $data['fileformat'] ) ) {
+		$metadata['fileformat'] = $data['fileformat'];
+	}
+
+	if ( ! empty( $data['video']['dataformat'] ) ) {
+		$metadata['dataformat'] = $data['video']['dataformat'];
+	}
+
+	if ( ! empty( $data['video']['encoder'] ) ) {
+		$metadata['encoder'] = $data['video']['encoder'];
+	}
+
+	if ( ! empty( $data['video']['codec'] ) ) {
+		$metadata['codec'] = $data['video']['codec'];
+	}
+
+	if ( ! empty( $data['audio'] ) ) {
+		unset( $data['audio']['streams'] );
+		$metadata['audio'] = $data['audio'];
+	}
+
+	if ( empty( $metadata['created_timestamp'] ) ) {
+		$created_timestamp = wp_get_media_creation_timestamp( $data );
+
+		if ( false !== $created_timestamp ) {
+			$metadata['created_timestamp'] = $created_timestamp;
+		}
+	}
+
+	wp_add_id3_tag_data( $metadata, $data );
+
+	$file_format = isset( $metadata['fileformat'] ) ? $metadata['fileformat'] : null;
+
+	/**
+	 * Filters the array of metadata retrieved from a video.
+	 *
+	 * In core, usually this selection is what is stored.
+	 * More complete data can be parsed from the `$data` parameter.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array       $metadata    Filtered video metadata.
+	 * @param string      $file        Path to video file.
+	 * @param string|null $file_format File format of video, as analyzed by getID3.
+	 *                                 Null if unknown.
+	 * @param array       $data        Raw metadata from getID3.
+	 */
+	return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data );
+}
+
+/**
+ * Retrieves metadata from an audio file's ID3 tags.
+ *
+ * @since 3.6.0
+ *
+ * @param string $file Path to file.
+ * @return array|false Returns array of metadata, if found.
+ */
+function wp_read_audio_metadata( $file ) {
+	if ( ! file_exists( $file ) ) {
+		return false;
+	}
+
+	$metadata = array();
+
+	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
+		define( 'GETID3_TEMP_DIR', get_temp_dir() );
+	}
+
+	if ( ! class_exists( 'getID3', false ) ) {
+		require ABSPATH . WPINC . '/ID3/getid3.php';
+	}
+
+	$id3 = new getID3();
+	// Required to get the `created_timestamp` value.
+	$id3->options_audiovideo_quicktime_ReturnAtomData = true; // phpcs:ignore WordPress.NamingConventions.ValidVariableName
+
+	$data = $id3->analyze( $file );
+
+	if ( ! empty( $data['audio'] ) ) {
+		unset( $data['audio']['streams'] );
+		$metadata = $data['audio'];
+	}
+
+	if ( ! empty( $data['fileformat'] ) ) {
+		$metadata['fileformat'] = $data['fileformat'];
+	}
+
+	if ( ! empty( $data['filesize'] ) ) {
+		$metadata['filesize'] = (int) $data['filesize'];
+	}
+
+	if ( ! empty( $data['mime_type'] ) ) {
+		$metadata['mime_type'] = $data['mime_type'];
+	}
+
+	if ( ! empty( $data['playtime_seconds'] ) ) {
+		$metadata['length'] = (int) round( $data['playtime_seconds'] );
+	}
+
+	if ( ! empty( $data['playtime_string'] ) ) {
+		$metadata['length_formatted'] = $data['playtime_string'];
+	}
+
+	if ( empty( $metadata['created_timestamp'] ) ) {
+		$created_timestamp = wp_get_media_creation_timestamp( $data );
+
+		if ( false !== $created_timestamp ) {
+			$metadata['created_timestamp'] = $created_timestamp;
+		}
+	}
+
+	wp_add_id3_tag_data( $metadata, $data );
+
+	$file_format = isset( $metadata['fileformat'] ) ? $metadata['fileformat'] : null;
+
+	/**
+	 * Filters the array of metadata retrieved from an audio file.
+	 *
+	 * In core, usually this selection is what is stored.
+	 * More complete data can be parsed from the `$data` parameter.
+	 *
+	 * @since 6.1.0
+	 *
+	 * @param array       $metadata    Filtered audio metadata.
+	 * @param string      $file        Path to audio file.
+	 * @param string|null $file_format File format of audio, as analyzed by getID3.
+	 *                                 Null if unknown.
+	 * @param array       $data        Raw metadata from getID3.
+	 */
+	return apply_filters( 'wp_read_audio_metadata', $metadata, $file, $file_format, $data );
+}
+
+/**
+ * Parses creation date from media metadata.
+ *
+ * The getID3 library doesn't have a standard method for getting creation dates,
+ * so the location of this data can vary based on the MIME type.
+ *
+ * @since 4.9.0
+ *
+ * @link https://github.com/JamesHeinrich/getID3/blob/master/structure.txt
+ *
+ * @param array $metadata The metadata returned by getID3::analyze().
+ * @return int|false A UNIX timestamp for the media's creation date if available
+ *                   or a boolean FALSE if a timestamp could not be determined.
+ */
+function wp_get_media_creation_timestamp( $metadata ) {
+	$creation_date = false;
+
+	if ( empty( $metadata['fileformat'] ) ) {
+		return $creation_date;
+	}
+
+	switch ( $metadata['fileformat'] ) {
+		case 'asf':
+			if ( isset( $metadata['asf']['file_properties_object']['creation_date_unix'] ) ) {
+				$creation_date = (int) $metadata['asf']['file_properties_object']['creation_date_unix'];
+			}
+			break;
+
+		case 'matroska':
+		case 'webm':
+			if ( isset( $metadata['matroska']['comments']['creation_time'][0] ) ) {
+				$creation_date = strtotime( $metadata['matroska']['comments']['creation_time'][0] );
+			} elseif ( isset( $metadata['matroska']['info'][0]['DateUTC_unix'] ) ) {
+				$creation_date = (int) $metadata['matroska']['info'][0]['DateUTC_unix'];
+			}
+			break;
+
+		case 'quicktime':
+		case 'mp4':
+			if ( isset( $metadata['quicktime']['moov']['subatoms'][0]['creation_time_unix'] ) ) {
+				$creation_date = (int) $metadata['quicktime']['moov']['subatoms'][0]['creation_time_unix'];
+			}
+			break;
+	}
+
+	return $creation_date;
+}
+
+/**
+ * Encapsulates the logic for Attach/Detach actions.
+ *
+ * @since 4.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $parent_id Attachment parent ID.
+ * @param string $action    Optional. Attach/detach action. Accepts 'attach' or 'detach'.
+ *                          Default 'attach'.
+ */
+function wp_media_attach_action( $parent_id, $action = 'attach' ) {
+	global $wpdb;
+
+	if ( ! $parent_id ) {
+		return;
+	}
+
+	if ( ! current_user_can( 'edit_post', $parent_id ) ) {
+		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+	}
+
+	$ids = array();
+
+	foreach ( (array) $_REQUEST['media'] as $attachment_id ) {
+		$attachment_id = (int) $attachment_id;
+
+		if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
+			continue;
+		}
+
+		$ids[] = $attachment_id;
+	}
+
+	if ( ! empty( $ids ) ) {
+		$ids_string = implode( ',', $ids );
+
+		if ( 'attach' === $action ) {
+			$result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $ids_string )", $parent_id ) );
+		} else {
+			$result = $wpdb->query( "UPDATE $wpdb->posts SET post_parent = 0 WHERE post_type = 'attachment' AND ID IN ( $ids_string )" );
+		}
+	}
+
+	if ( isset( $result ) ) {
+		foreach ( $ids as $attachment_id ) {
+			/**
+			 * Fires when media is attached or detached from a post.
+			 *
+			 * @since 5.5.0
+			 *
+			 * @param string $action        Attach/detach action. Accepts 'attach' or 'detach'.
+			 * @param int    $attachment_id The attachment ID.
+			 * @param int    $parent_id     Attachment parent ID.
+			 */
+			do_action( 'wp_media_attach_action', $action, $attachment_id, $parent_id );
+
+			clean_attachment_cache( $attachment_id );
+		}
+
+		$location = 'upload.php';
+		$referer  = wp_get_referer();
+
+		if ( $referer ) {
+			if ( str_contains( $referer, 'upload.php' ) ) {
+				$location = remove_query_arg( array( 'attached', 'detach' ), $referer );
+			}
+		}
+
+		$key      = 'attach' === $action ? 'attached' : 'detach';
+		$location = add_query_arg( array( $key => $result ), $location );
+
+		wp_redirect( $location );
+		exit;
+	}
+}
-- 
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