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- <?php
- /**
- * Server-side rendering of the `core/post-content` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/post-content` 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 content of the current post.
- */
- function render_block_core_post_content( $attributes, $content, $block ) {
- static $seen_ids = array();
- if ( ! isset( $block->context['postId'] ) ) {
- return '';
- }
- $post_id = $block->context['postId'];
- if ( isset( $seen_ids[ $post_id ] ) ) {
- // WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
- // is set in `wp_debug_mode()`.
- $is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
- defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY;
- return $is_debug ?
- // translators: Visible only in the front end, this warning takes the place of a faulty block.
- __( '[block rendering halted]' ) :
- '';
- }
- $seen_ids[ $post_id ] = true;
- // Check is needed for backward compatibility with third-party plugins
- // that might rely on the `in_the_loop` check; calling `the_post` sets it to true.
- if ( ! in_the_loop() && have_posts() ) {
- the_post();
- }
- // When inside the main loop, we want to use queried object
- // so that `the_preview` for the current post can apply.
- // We force this behavior by omitting the third argument (post ID) from the `get_the_content`.
- $content = get_the_content();
- // Check for nextpage to display page links for paginated posts.
- if ( has_block( 'core/nextpage' ) ) {
- $content .= wp_link_pages( array( 'echo' => 0 ) );
- }
- /** This filter is documented in wp-includes/post-template.php */
- $content = apply_filters( 'the_content', str_replace( ']]>', ']]>', $content ) );
- unset( $seen_ids[ $post_id ] );
- if ( empty( $content ) ) {
- return '';
- }
- $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => 'entry-content' ) );
- return (
- '<div ' . $wrapper_attributes . '>' .
- $content .
- '</div>'
- );
- }
- /**
- * Registers the `core/post-content` block on the server.
- */
- function register_block_core_post_content() {
- register_block_type_from_metadata(
- __DIR__ . '/post-content',
- array(
- 'render_callback' => 'render_block_core_post_content',
- )
- );
- }
- add_action( 'init', 'register_block_core_post_content' );
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