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<?php |
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/** |
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* Server-side rendering of the `core/post-content` block. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Renders the `core/post-content` block on the server. |
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* |
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* @since 5.8.0 |
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* |
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* @param array $attributes Block attributes. |
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* @param string $content Block default content. |
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* @param WP_Block $block Block instance. |
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* @return string Returns the filtered post content of the current post. |
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*/ |
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function gutenberg_render_block_core_post_content( $attributes, $content, $block ) { |
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static $seen_ids = array(); |
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|
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if ( ! isset( $block->context['postId'] ) ) { |
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return ''; |
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} |
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|
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$post_id = $block->context['postId']; |
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|
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if ( isset( $seen_ids[ $post_id ] ) ) { |
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// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent |
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// is set in `wp_debug_mode()`. |
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$is_debug = WP_DEBUG && WP_DEBUG_DISPLAY; |
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|
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return $is_debug ? |
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// translators: Visible only in the front end, this warning takes the place of a faulty block. |
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__( '[block rendering halted]' ) : |
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''; |
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} |
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|
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$seen_ids[ $post_id ] = true; |
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|
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// When inside the main loop, we want to use queried object |
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// so that `the_preview` for the current post can apply. |
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// We force this behavior by omitting the third argument (post ID) from the `get_the_content`. |
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$content = get_the_content(); |
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// Check for nextpage to display page links for paginated posts. |
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if ( has_block( 'core/nextpage' ) ) { |
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$content .= wp_link_pages( array( 'echo' => 0 ) ); |
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} |
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|
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/** This filter is documented in wp-includes/post-template.php */ |
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$content = apply_filters( 'the_content', str_replace( ']]>', ']]>', $content ) ); |
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unset( $seen_ids[ $post_id ] ); |
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|
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if ( empty( $content ) ) { |
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return ''; |
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} |
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|
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$tag_name = 'div'; |
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|
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if ( isset( $attributes['tagName'] ) && is_string( $attributes['tagName'] ) ) { |
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/** |
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* The allowed tag names match the options offered in the editor. |
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* |
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* @see packages/block-library/src/post-content/edit.js |
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*/ |
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$allowed_tag_names = array( 'div', 'main', 'section', 'article' ); |
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$normalized_tag_name = strtolower( $attributes['tagName'] ); |
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|
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if ( in_array( $normalized_tag_name, $allowed_tag_names, true ) ) { |
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$tag_name = $normalized_tag_name; |
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} |
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} |
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|
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => 'entry-content' ) ); |
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|
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return sprintf( |
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'<%1$s %2$s>%3$s</%1$s>', |
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$tag_name, |
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$wrapper_attributes, |
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$content |
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); |
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} |
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|
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/** |
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* Registers the `core/post-content` block on the server. |
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* |
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* @since 5.8.0 |
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*/ |
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function gutenberg_register_block_core_post_content() { |
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register_block_type_from_metadata( |
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__DIR__ . '/post-content', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_post_content', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_post_content', 20 ); |
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|
