66 lines
2.1 KiB
PHP
66 lines
2.1 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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* @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 = $block->context['postId'];
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$size_slug = isset( $attributes['sizeSlug'] ) ? $attributes['sizeSlug'] : 'post-thumbnail';
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$post_title = trim( strip_tags( get_the_title( $post_ID ) ) );
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$featured_image = get_the_post_thumbnail( $post_ID, $size_slug, array( 'alt' => $post_title ) );
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if ( ! $featured_image ) {
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return '';
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}
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$wrapper_attributes = get_block_wrapper_attributes();
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if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {
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$featured_image = sprintf( '<a href="%1s">%2s</a>', get_the_permalink( $post_ID ), $featured_image );
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}
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$has_width = ! empty( $attributes['width'] );
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$has_height = ! empty( $attributes['height'] );
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if ( ! $has_height && ! $has_width ) {
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return "<figure $wrapper_attributes>$featured_image</figure>";
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}
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if ( $has_width ) {
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$wrapper_attributes = get_block_wrapper_attributes( array( 'style' => "width:{$attributes['width']};" ) );
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}
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if ( $has_height ) {
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$image_styles = "height:{$attributes['height']};";
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if ( ! empty( $attributes['scale'] ) ) {
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$image_styles .= "object-fit:{$attributes['scale']};";
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}
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$featured_image = str_replace( 'src=', 'style="' . esc_attr( $image_styles ) . '" src=', $featured_image );
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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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* Registers the `core/post-featured-image` block on the server.
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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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