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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
commit | a415c29efee45520ae252d2aa28f1083a521cd7b (patch) | |
tree | f4ade4b6668ecc0765de7e1424f7c1427ad433ff /wp-includes/blocks/post-excerpt.php | |
parent | Initial commit. (diff) | |
download | wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.tar.xz wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.zip |
Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | wp-includes/blocks/post-excerpt.php | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/wp-includes/blocks/post-excerpt.php b/wp-includes/blocks/post-excerpt.php new file mode 100644 index 0000000..09d6b6f --- /dev/null +++ b/wp-includes/blocks/post-excerpt.php @@ -0,0 +1,95 @@ +<?php +/** + * Server-side rendering of the `core/post-excerpt` block. + * + * @package WordPress + */ + +/** + * Renders the `core/post-excerpt` block on the server. + * + * @param array $attributes Block attributes. + * @param string $content Block default content. + * @param WP_Block $block Block instance. + * @return string Returns the filtered post excerpt for the current post wrapped inside "p" tags. + */ +function render_block_core_post_excerpt( $attributes, $content, $block ) { + if ( ! isset( $block->context['postId'] ) ) { + return ''; + } + + /* + * The purpose of the excerpt length setting is to limit the length of both + * automatically generated and user-created excerpts. + * Because the excerpt_length filter only applies to auto generated excerpts, + * wp_trim_words is used instead. + */ + $excerpt_length = $attributes['excerptLength']; + $excerpt = get_the_excerpt( $block->context['postId'] ); + if ( isset( $excerpt_length ) ) { + $excerpt = wp_trim_words( $excerpt, $excerpt_length ); + } + + $more_text = ! empty( $attributes['moreText'] ) ? '<a class="wp-block-post-excerpt__more-link" href="' . esc_url( get_the_permalink( $block->context['postId'] ) ) . '">' . wp_kses_post( $attributes['moreText'] ) . '</a>' : ''; + $filter_excerpt_more = static function ( $more ) use ( $more_text ) { + return empty( $more_text ) ? $more : ''; + }; + /** + * Some themes might use `excerpt_more` filter to handle the + * `more` link displayed after a trimmed excerpt. Since the + * block has a `more text` attribute we have to check and + * override if needed the return value from this filter. + * So if the block's attribute is not empty override the + * `excerpt_more` filter and return nothing. This will + * result in showing only one `read more` link at a time. + */ + add_filter( 'excerpt_more', $filter_excerpt_more ); + $classes = array(); + if ( isset( $attributes['textAlign'] ) ) { + $classes[] = 'has-text-align-' . $attributes['textAlign']; + } + if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { + $classes[] = 'has-link-color'; + } + $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) ); + + $content = '<p class="wp-block-post-excerpt__excerpt">' . $excerpt; + $show_more_on_new_line = ! isset( $attributes['showMoreOnNewLine'] ) || $attributes['showMoreOnNewLine']; + if ( $show_more_on_new_line && ! empty( $more_text ) ) { + $content .= '</p><p class="wp-block-post-excerpt__more-text">' . $more_text . '</p>'; + } else { + $content .= " $more_text</p>"; + } + remove_filter( 'excerpt_more', $filter_excerpt_more ); + return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $content ); +} + +/** + * Registers the `core/post-excerpt` block on the server. + */ +function register_block_core_post_excerpt() { + register_block_type_from_metadata( + __DIR__ . '/post-excerpt', + array( + 'render_callback' => 'render_block_core_post_excerpt', + ) + ); +} +add_action( 'init', 'register_block_core_post_excerpt' ); + +/** + * If themes or plugins filter the excerpt_length, we need to + * override the filter in the editor, otherwise + * the excerpt length block setting has no effect. + * Returns 100 because 100 is the max length in the setting. + */ +if ( is_admin() || + defined( 'REST_REQUEST' ) && REST_REQUEST ) { + add_filter( + 'excerpt_length', + static function () { + return 100; + }, + PHP_INT_MAX + ); +} |