wp-includes/class-wp.php:118Sets the value of a query variable.
$keystring$valuemixed public function set_query_var( $key, $value ) { $this->query_vars[ $key ] = $value; }Introduced in 2.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.