Filters the list of available post MIME types for the given post type.
$mime_typesstring[]|null$typestringwp-includes/post.php:8658get_available_post_mime_types() * * @since 6.4.0 * * @param string[]|null $mime_types An array of MIME types. Default null. * @param string $type The post type name. Usually 'attachment' but can be any post type. */ $mime_types = apply_filters( 'pre_get_available_post_mime_types', null, $type ); if ( ! is_array( $mime_types ) ) { $mime_types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s AND post_mime_type != ''", $type ) ); } // Remove nulls from returned $mime_types.Introduced in 6.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.