wp-includes/functions.php:4986Cleans up an array, comma- or space-separated list of IDs.
$input_listarray|stringint[]function wp_parse_id_list( $input_list ) { $input_list = wp_parse_list( $input_list ); return array_unique( array_map( 'absint', $input_list ) );}Introduced in 3.0.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$input_list retyped from array|string to mixed[]|string.verified against sourcesrc/wp-includes/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.