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1fbf5fa51d
Updates the editor npm packages to latest versions. See https://github.com/WordPress/wordpress-develop/pull/6612. Props ellatrix, mukesh27, youknowriad, mamaduka. Built from https://develop.svn.wordpress.org/trunk@58187 git-svn-id: http://core.svn.wordpress.org/trunk@57650 1a063a9b-81f0-0310-95a4-ce76da25c4cd
269 lines
9.1 KiB
PHP
269 lines
9.1 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/post-featured-image` 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-featured-image` 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 featured image for the current post.
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*/
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function render_block_core_post_featured_image( $attributes, $content, $block ) {
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if ( ! isset( $block->context['postId'] ) ) {
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return '';
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}
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$post_ID = $block->context['postId'];
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$is_link = isset( $attributes['isLink'] ) && $attributes['isLink'];
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$size_slug = isset( $attributes['sizeSlug'] ) ? $attributes['sizeSlug'] : 'post-thumbnail';
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$attr = get_block_core_post_featured_image_border_attributes( $attributes );
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$overlay_markup = get_block_core_post_featured_image_overlay_element_markup( $attributes );
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if ( $is_link ) {
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if ( get_the_title( $post_ID ) ) {
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$attr['alt'] = trim( strip_tags( get_the_title( $post_ID ) ) );
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} else {
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$attr['alt'] = sprintf(
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// translators: %d is the post ID.
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__( 'Untitled post %d' ),
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$post_ID
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);
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}
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}
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$extra_styles = '';
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// Aspect ratio with a height set needs to override the default width/height.
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if ( ! empty( $attributes['aspectRatio'] ) ) {
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$extra_styles .= 'width:100%;height:100%;';
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} elseif ( ! empty( $attributes['height'] ) ) {
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$extra_styles .= "height:{$attributes['height']};";
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}
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if ( ! empty( $attributes['scale'] ) ) {
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$extra_styles .= "object-fit:{$attributes['scale']};";
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}
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if ( ! empty( $attributes['style']['shadow'] ) ) {
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$shadow_styles = wp_style_engine_get_styles( array( 'shadow' => $attributes['style']['shadow'] ) );
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if ( ! empty( $shadow_styles['css'] ) ) {
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$extra_styles .= $shadow_styles['css'];
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}
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}
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if ( ! empty( $extra_styles ) ) {
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$attr['style'] = empty( $attr['style'] ) ? $extra_styles : $attr['style'] . $extra_styles;
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}
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$featured_image = get_the_post_thumbnail( $post_ID, $size_slug, $attr );
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// Get the first image from the post.
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if ( $attributes['useFirstImageFromPost'] && ! $featured_image ) {
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$content_post = get_post( $post_ID );
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$content = $content_post->post_content;
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$processor = new WP_HTML_Tag_Processor( $content );
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/*
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* Transfer the image tag from the post into a new text snippet.
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* Because the HTML API doesn't currently expose a way to extract
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* HTML substrings this is necessary as a workaround. Of note, this
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* is different than directly extracting the IMG tag:
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* - If there are duplicate attributes in the source there will only be one in the output.
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* - If there are single-quoted or unquoted attributes they will be double-quoted in the output.
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* - If there are named character references in the attribute values they may be replaced with their direct code points. E.g. `…` becomes `…`.
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* In the future there will likely be a mechanism to copy snippets of HTML from
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* one document into another, via the HTML Processor's `get_outer_html()` or
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* equivalent. When that happens it would be appropriate to replace this custom
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* code with that canonical code.
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*/
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if ( $processor->next_tag( 'img' ) ) {
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$tag_html = new WP_HTML_Tag_Processor( '<img>' );
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$tag_html->next_tag();
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foreach ( $processor->get_attribute_names_with_prefix( '' ) as $name ) {
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$tag_html->set_attribute( $name, $processor->get_attribute( $name ) );
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}
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$featured_image = $tag_html->get_updated_html();
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}
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}
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if ( ! $featured_image ) {
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return '';
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}
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if ( $is_link ) {
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$link_target = $attributes['linkTarget'];
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$rel = ! empty( $attributes['rel'] ) ? 'rel="' . esc_attr( $attributes['rel'] ) . '"' : '';
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$height = ! empty( $attributes['height'] ) ? 'style="' . esc_attr( safecss_filter_attr( 'height:' . $attributes['height'] ) ) . '"' : '';
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$featured_image = sprintf(
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'<a href="%1$s" target="%2$s" %3$s %4$s>%5$s%6$s</a>',
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get_the_permalink( $post_ID ),
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esc_attr( $link_target ),
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$rel,
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$height,
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$featured_image,
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$overlay_markup
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);
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} else {
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$featured_image = $featured_image . $overlay_markup;
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}
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$aspect_ratio = ! empty( $attributes['aspectRatio'] )
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? esc_attr( safecss_filter_attr( 'aspect-ratio:' . $attributes['aspectRatio'] ) ) . ';'
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: '';
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$width = ! empty( $attributes['width'] )
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? esc_attr( safecss_filter_attr( 'width:' . $attributes['width'] ) ) . ';'
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: '';
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$height = ! empty( $attributes['height'] )
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? esc_attr( safecss_filter_attr( 'height:' . $attributes['height'] ) ) . ';'
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: '';
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if ( ! $height && ! $width && ! $aspect_ratio ) {
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$wrapper_attributes = get_block_wrapper_attributes();
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} else {
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$wrapper_attributes = get_block_wrapper_attributes( array( 'style' => $aspect_ratio . $width . $height ) );
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}
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return "<figure {$wrapper_attributes}>{$featured_image}</figure>";
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}
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/**
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* Generate markup for the HTML element that will be used for the overlay.
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*
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* @since 6.1.0
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*
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* @param array $attributes Block attributes.
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*
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* @return string HTML markup in string format.
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*/
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function get_block_core_post_featured_image_overlay_element_markup( $attributes ) {
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$has_dim_background = isset( $attributes['dimRatio'] ) && $attributes['dimRatio'];
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$has_gradient = isset( $attributes['gradient'] ) && $attributes['gradient'];
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$has_custom_gradient = isset( $attributes['customGradient'] ) && $attributes['customGradient'];
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$has_solid_overlay = isset( $attributes['overlayColor'] ) && $attributes['overlayColor'];
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$has_custom_overlay = isset( $attributes['customOverlayColor'] ) && $attributes['customOverlayColor'];
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$class_names = array( 'wp-block-post-featured-image__overlay' );
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$styles = array();
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if ( ! $has_dim_background ) {
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return '';
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}
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// Apply border classes and styles.
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$border_attributes = get_block_core_post_featured_image_border_attributes( $attributes );
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if ( ! empty( $border_attributes['class'] ) ) {
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$class_names[] = $border_attributes['class'];
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}
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if ( ! empty( $border_attributes['style'] ) ) {
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$styles[] = $border_attributes['style'];
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}
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// Apply overlay and gradient classes.
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if ( $has_dim_background ) {
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$class_names[] = 'has-background-dim';
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$class_names[] = "has-background-dim-{$attributes['dimRatio']}";
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}
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if ( $has_solid_overlay ) {
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$class_names[] = "has-{$attributes['overlayColor']}-background-color";
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}
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if ( $has_gradient || $has_custom_gradient ) {
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$class_names[] = 'has-background-gradient';
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}
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if ( $has_gradient ) {
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$class_names[] = "has-{$attributes['gradient']}-gradient-background";
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}
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// Apply background styles.
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if ( $has_custom_gradient ) {
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$styles[] = sprintf( 'background-image: %s;', $attributes['customGradient'] );
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}
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if ( $has_custom_overlay ) {
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$styles[] = sprintf( 'background-color: %s;', $attributes['customOverlayColor'] );
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}
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return sprintf(
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'<span class="%s" style="%s" aria-hidden="true"></span>',
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esc_attr( implode( ' ', $class_names ) ),
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esc_attr( safecss_filter_attr( implode( ' ', $styles ) ) )
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);
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}
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/**
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* Generates class names and styles to apply the border support styles for
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* the Post Featured Image block.
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*
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* @since 6.1.0
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*
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* @param array $attributes The block attributes.
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* @return array The border-related classnames and styles for the block.
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*/
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function get_block_core_post_featured_image_border_attributes( $attributes ) {
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$border_styles = array();
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$sides = array( 'top', 'right', 'bottom', 'left' );
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// Border radius.
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if ( isset( $attributes['style']['border']['radius'] ) ) {
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$border_styles['radius'] = $attributes['style']['border']['radius'];
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}
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// Border style.
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if ( isset( $attributes['style']['border']['style'] ) ) {
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$border_styles['style'] = $attributes['style']['border']['style'];
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}
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// Border width.
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if ( isset( $attributes['style']['border']['width'] ) ) {
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$border_styles['width'] = $attributes['style']['border']['width'];
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}
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// Border color.
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$preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null;
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$custom_color = $attributes['style']['border']['color'] ?? null;
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$border_styles['color'] = $preset_color ? $preset_color : $custom_color;
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// Individual border styles e.g. top, left etc.
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foreach ( $sides as $side ) {
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$border = $attributes['style']['border'][ $side ] ?? null;
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$border_styles[ $side ] = array(
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'color' => isset( $border['color'] ) ? $border['color'] : null,
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'style' => isset( $border['style'] ) ? $border['style'] : null,
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'width' => isset( $border['width'] ) ? $border['width'] : null,
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);
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}
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$styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) );
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$attributes = array();
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if ( ! empty( $styles['classnames'] ) ) {
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$attributes['class'] = $styles['classnames'];
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}
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if ( ! empty( $styles['css'] ) ) {
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$attributes['style'] = $styles['css'];
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}
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return $attributes;
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}
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/**
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* Registers the `core/post-featured-image` 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_featured_image() {
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register_block_type_from_metadata(
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__DIR__ . '/post-featured-image',
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array(
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'render_callback' => 'render_block_core_post_featured_image',
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)
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);
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}
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add_action( 'init', 'register_block_core_post_featured_image' );
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