wp-includes/class-wpdb.php:2458Removes the placeholder escape strings from a query.
$querystringstring public function remove_placeholder_escape( $query ) { return str_replace( $this->placeholder_escape(), '%', $query ); }Introduced in 4.8.3. 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.