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<?php /** * Post Data source for Block Bindings. * * @since 6.9.0 * @package WordPress * @subpackage Block Bindings */
/** * Gets value for Post Data source. * * @since 6.9.0 * @access private * * @param array $source_args Array containing arguments used to look up the source value. * Example: array( "field" => "foo" ). * @param WP_Block $block_instance The block instance. * @return mixed The value computed for the source. */ function _block_bindings_post_data_get_value( array $source_args, $block_instance ) { if ( empty( $source_args['field'] ) ) { // Backward compatibility for when the source argument was called `key` in Gutenberg plugin. if ( empty( $source_args['key'] ) ) { return null; } $field = $source_args['key']; } else { $field = $source_args['field']; }
/* * BACKWARDS COMPATIBILITY: Hardcoded exception for navigation blocks. * Required for WordPress 6.9+ navigation blocks. DO NOT REMOVE. */ $block_name = $block_instance->name ?? ''; $is_navigation_block = in_array( $block_name, array( 'core/navigation-link', 'core/navigation-submenu' ), true );
if ( $is_navigation_block ) { // Navigation blocks: read from block attributes. $post_id = $block_instance->attributes['id'] ?? null; } else { // All other blocks: use context. $post_id = $block_instance->context['postId'] ?? null; }
// If we don't have an entity ID, bail early. if ( empty( $post_id ) ) { return null; }
// If a post isn't public, we need to prevent unauthorized users from accessing the post data. $post = get_post( $post_id ); if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) { return null; }
if ( 'date' === $field ) { return esc_attr( get_the_date( 'c', $post_id ) ); }
if ( 'modified' === $field ) { // Only return the modified date if it is later than the publishing date. if ( get_the_modified_date( 'U', $post_id ) > get_the_date( 'U', $post_id ) ) { return esc_attr( get_the_modified_date( 'c', $post_id ) ); } else { return ''; } }
if ( 'link' === $field ) { $permalink = get_permalink( $post_id ); return false === $permalink ? null : esc_url( $permalink ); } }
/** * Registers Post Data source in the block bindings registry. * * @since 6.9.0 * @access private */ function _register_block_bindings_post_data_source() { register_block_bindings_source( 'core/post-data', array( 'label' => _x( 'Post Data', 'block bindings source' ), 'get_value_callback' => '_block_bindings_post_data_get_value', 'uses_context' => array( 'postId', 'postType' ), // Both are needed on the client side. ) ); }
add_action( 'init', '_register_block_bindings_post_data_source' );
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