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a2786a3785
This introduces the Block Bindings API for WordPress. The API allows developers to connects block attributes to different sources. In this PR, two such sources are included: "post meta" and "pattern". Attributes connected to sources can have their HTML replaced by values coming from the source in a way defined by the binding. Props czapla, lgladdy, gziolo, sc0ttkclark, swissspidy, artemiosans, kevin940726, fabiankaegy, santosguillamot, talldanwp, wildworks. Fixes #60282. Built from https://develop.svn.wordpress.org/trunk@57514 git-svn-id: http://core.svn.wordpress.org/trunk@57015 1a063a9b-81f0-0310-95a4-ce76da25c4cd
48 lines
1.2 KiB
PHP
48 lines
1.2 KiB
PHP
<?php
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/**
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* Add the post_meta source to the Block Bindings API.
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*
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* @since 6.5.0
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* @package WordPress
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*/
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function post_meta_source_callback( $source_attrs ) {
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if ( ! isset( $source_attrs['key'] ) ) {
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return null;
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}
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// Use the postId attribute if available
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if ( isset( $source_attrs['postId'] ) ) {
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$post_id = $source_attrs['postId'];
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} else {
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// $block_instance->context['postId'] is not available in the Image block.
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$post_id = get_the_ID();
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}
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// If a post isn't public, we need to prevent
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// unauthorized users from accessing the post meta.
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$post = get_post( $post_id );
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if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) {
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return null;
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}
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return get_post_meta( $post_id, $source_attrs['key'], true );
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}
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/**
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* Registers the "post_meta" source for the Block Bindings API.
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*
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* @access private
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* @since 6.5.0
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*/
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function _register_block_bindings_post_meta_source() {
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register_block_bindings_source(
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'core/post-meta',
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array(
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'label' => _x( 'Post Meta', 'block bindings source' ),
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'get_value_callback' => 'post_meta_source_callback',
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)
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);
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}
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add_action( 'init', '_register_block_bindings_post_meta_source' );
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