wp-includes/class-wpdb.php:784Makes private properties readable for backward compatibility.
$namestringmixed public function __get( $name ) { if ( 'col_info' === $name ) { $this->load_col_info(); } return $this->$name; }Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wpdb.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.