wp-includes/class-wp-dependency.php:114Add handle data.
$namestring$datamixedbool public function add_data( $name, $data ) { if ( ! is_scalar( $name ) ) { return false; } $this->extra[ $name ] = $data; return true; }Introduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-dependency.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.