<?php

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/**

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* Server-side rendering of the `core/media-text` 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/media-text` block on server.

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*

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* @since 6.6.0

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*

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* @param array $attributes The block attributes.

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* @param string $content The block rendered content.

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*

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* @return string Returns the Media & Text block markup, if useFeaturedImage is true.

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*/

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function render_block_core_media_text( $attributes, $content ) {

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if ( false === $attributes['useFeaturedImage'] ) {

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return $content;

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}

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if ( in_the_loop() ) {

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update_post_thumbnail_cache();

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}

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$current_featured_image = get_the_post_thumbnail_url();

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if ( ! $current_featured_image ) {

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return $content;

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}

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$media_tag_processor = new WP_HTML_Tag_Processor( $content );

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$wrapping_figure_query = array(

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'tag_name' => 'figure',

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'class_name' => 'wp-block-media-text__media',

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);

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$has_media_on_right = isset( $attributes['mediaPosition'] ) && 'right' === $attributes['mediaPosition'];

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$image_fill = isset( $attributes['imageFill'] ) && $attributes['imageFill'];

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$focal_point = isset( $attributes['focalPoint'] ) ? round( $attributes['focalPoint']['x'] * 100 ) . '% ' . round( $attributes['focalPoint']['y'] * 100 ) . '%' : '50% 50%';

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$unique_id = 'wp-block-media-text__media-' . wp_unique_id();

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if ( $has_media_on_right ) {

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// Loop through all the figure tags and set a bookmark on the last figure tag.

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while ( $media_tag_processor->next_tag( $wrapping_figure_query ) ) {

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$media_tag_processor->set_bookmark( 'last_figure' );

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}

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if ( $media_tag_processor->has_bookmark( 'last_figure' ) ) {

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$media_tag_processor->seek( 'last_figure' );

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if ( $image_fill ) {

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$media_tag_processor->set_attribute( 'style', 'background-image:url(' . esc_url( $current_featured_image ) . ');background-position:' . $focal_point . ';' );

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} else {

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// Insert a unique ID to identify the figure tag.

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$media_tag_processor->set_attribute( 'id', $unique_id );

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}

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}

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} else {

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if ( $media_tag_processor->next_tag( $wrapping_figure_query ) ) {

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if ( $image_fill ) {

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$media_tag_processor->set_attribute( 'style', 'background-image:url(' . esc_url( $current_featured_image ) . ');background-position:' . $focal_point . ';' );

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} else {

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// Insert a unique ID to identify the figure tag.

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$media_tag_processor->set_attribute( 'id', $unique_id );

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}

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}

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}

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$content = $media_tag_processor->get_updated_html();

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// If the image is not set to fill, add the image tag inside the figure tag,

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// and update the image attributes in order to display the featured image.

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if ( ! $image_fill ) {

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$media_size_slug = isset( $attributes['mediaSizeSlug'] ) ? $attributes['mediaSizeSlug'] : 'full';

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$image_tag = '<img class="wp-block-media-text__featured_image">';

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$content = preg_replace(

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'/(<figure\s+id="' . preg_quote( $unique_id, '/' ) . '"\s+class="wp-block-media-text__media"\s*>)/',

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'$1' . $image_tag,

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$content

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);

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$image_tag_processor = new WP_HTML_Tag_Processor( $content );

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if ( $image_tag_processor->next_tag(

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array(

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'tag_name' => 'figure',

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'id' => $unique_id,

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)

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) ) {

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// The ID is only used to ensure that the correct figure tag is selected,

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// and can now be removed.

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$image_tag_processor->remove_attribute( 'id' );

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if ( $image_tag_processor->next_tag(

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array(

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'tag_name' => 'img',

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'class_name' => 'wp-block-media-text__featured_image',

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)

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) ) {

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$image_tag_processor->set_attribute( 'src', esc_url( $current_featured_image ) );

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$image_tag_processor->set_attribute( 'class', 'wp-image-' . get_post_thumbnail_id() . ' size-' . $media_size_slug );

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$image_tag_processor->set_attribute( 'alt', trim( strip_tags( get_post_meta( get_post_thumbnail_id(), '_wp_attachment_image_alt', true ) ) ) );

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$content = $image_tag_processor->get_updated_html();

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}

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}

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}

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return $content;

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}

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/**

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* Registers the `core/media-text` block renderer on server.

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*

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* @since 6.6.0

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*/

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function register_block_core_media_text() {

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register_block_type_from_metadata(

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__DIR__ . '/media-text',

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array(

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'render_callback' => 'render_block_core_media_text',

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)

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);

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}

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add_action( 'init', 'register_block_core_media_text' );

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