_block_bindings_post_meta_get_value() │ WP 6.5.0

Gets value for Post Meta source.

No Hooks.

Returns

Mixed. The value computed for the source.

Usage

_block_bindings_post_meta_get_value( $source_args, $block_instance );

$source_args(array) (required)

Array containing source arguments used to look up the override value. Example: array( "key" => "foo" ).

$block_instance(WP_Block) (required)

The block instance.

Changelog

_block_bindings_post_meta_get_value() block bindings post meta get value code ^{WP 6.8.1}

function _block_bindings_post_meta_get_value( array $source_args, $block_instance ) {
	if ( empty( $source_args['key'] ) ) {
		return null;
	}

	if ( empty( $block_instance->context['postId'] ) ) {
		return null;
	}
	$post_id = $block_instance->context['postId'];

	// If a post isn't public, we need to prevent unauthorized users from accessing the post meta.
	$post = get_post( $post_id );
	if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) {
		return null;
	}

	// Check if the meta field is protected.
	if ( is_protected_meta( $source_args['key'], 'post' ) ) {
		return null;
	}

	// Check if the meta field is registered to be shown in REST.
	$meta_keys = get_registered_meta_keys( 'post', $block_instance->context['postType'] );
	// Add fields registered for all subtypes.
	$meta_keys = array_merge( $meta_keys, get_registered_meta_keys( 'post', '' ) );
	if ( empty( $meta_keys[ $source_args['key'] ]['show_in_rest'] ) ) {
		return null;
	}

	return get_post_meta( $post_id, $source_args['key'], true );
}