<?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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* 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 render_block_core_post_content( $attributes, $content, $block ) {

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static $seen_ids = array();

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if ( ! isset( $block->context['postId'] ) ) {

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return '';

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}

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$post_id = $block->context['postId'];

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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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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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$seen_ids[ $post_id ] = true;

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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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/** This filter is documented in wp-includes/post-template.php */

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$content = apply_filters( 'the_content', str_replace( ']]>', ']]&gt;', $content ) );

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unset( $seen_ids[ $post_id ] );

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if ( empty( $content ) ) {

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return '';

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}

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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => 'entry-content' ) );

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return (

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'<div ' . $wrapper_attributes . '>' .

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$content .

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'</div>'

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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 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' => 'render_block_core_post_content',

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)

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);

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}

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add_action( 'init', 'register_block_core_post_content' );

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