Fires right before the meta boxes are rendered.
$wp_meta_boxesarraywp-admin/includes/post.php:2374the_block_editor_meta_boxes() * present by this point. Do not use as a means of adding meta box data. * * @since 5.0.0 * * @param array $wp_meta_boxes Global meta box state. */ $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); $locations = array( 'side', 'normal', 'advanced' ); $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); // Render meta boxes. ?> <form class="metabox-base-form">Introduced in 5.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.