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Editing: paragraph.php
<?php /** * Server-side rendering of the `core/paragraph` block. * * @package WordPress */ /** * Append the `wp-block-paragraph` class before rendering the stored * `core/paragraph` block contents. * * For example, the following block content: * <p class="align-left">Hello World</p> * * Would be transformed to: * <p class="align-left wp-block-paragraph">Hello World</p> * * @since 7.0.0 * * @param string $block_content The block content. * * @return string Filtered block content. */ function block_core_paragraph_add_class( $block_content ) { if ( ! $block_content ) { return $block_content; } $processor = new WP_HTML_Tag_Processor( $block_content ); if ( $processor->next_tag( 'p' ) ) { $processor->add_class( 'wp-block-paragraph' ); } return $processor->get_updated_html(); } add_filter( 'render_block_core/paragraph', 'block_core_paragraph_add_class' ); /** * Registers the `core/paragraph` block on server. * * @since 7.0.0 */ function register_block_core_paragraph() { register_block_type_from_metadata( __DIR__ . '/paragraph' ); } add_action( 'init', 'register_block_core_paragraph' );
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