Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/wp-includes/class-walker-category-dropdown.php b/wp-includes/class-walker-category-dropdown.php
new file mode 100644
index 0000000..9307838
--- /dev/null
+++ b/wp-includes/class-walker-category-dropdown.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * Taxonomy API: Walker_CategoryDropdown class
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to create an HTML dropdown list of Categories.
+ *
+ * @since 2.1.0
+ *
+ * @see Walker
+ */
+class Walker_CategoryDropdown extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'category';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.1.0
+	 * @todo Decouple this
+	 * @var string[]
+	 *
+	 * @see Walker::$db_fields
+	 */
+	public $db_fields = array(
+		'parent' => 'parent',
+		'id'     => 'term_id',
+	);
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 2.1.0
+	 * @since 5.9.0 Renamed `$category` to `$data_object` and `$id` to `$current_object_id`
+	 *              to match parent class for PHP 8 named parameter support.
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @param string  $output            Used to append additional content (passed by reference).
+	 * @param WP_Term $data_object       Category data object.
+	 * @param int     $depth             Depth of category. Used for padding.
+	 * @param array   $args              Uses 'selected', 'show_count', and 'value_field' keys, if they exist.
+	 *                                   See wp_dropdown_categories().
+	 * @param int     $current_object_id Optional. ID of the current category. Default 0.
+	 */
+	public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {
+		// Restores the more descriptive, specific name for use within this method.
+		$category = $data_object;
+
+		$pad = str_repeat( '&nbsp;', $depth * 3 );
+
+		/** This filter is documented in wp-includes/category-template.php */
+		$cat_name = apply_filters( 'list_cats', $category->name, $category );
+
+		if ( isset( $args['value_field'] ) && isset( $category->{$args['value_field']} ) ) {
+			$value_field = $args['value_field'];
+		} else {
+			$value_field = 'term_id';
+		}
+
+		$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $category->{$value_field} ) . '"';
+
+		// Type-juggling causes false matches, so we force everything to a string.
+		if ( (string) $category->{$value_field} === (string) $args['selected'] ) {
+			$output .= ' selected="selected"';
+		}
+		$output .= '>';
+		$output .= $pad . $cat_name;
+		if ( $args['show_count'] ) {
+			$output .= '&nbsp;&nbsp;(' . number_format_i18n( $category->count ) . ')';
+		}
+		$output .= "</option>\n";
+	}
+}