WP::add_query_var() WordPress Method

The WP::add_query_var() function allows you to add a new query variable to WordPress. This function takes two arguments: the name of the variable, and an optional value. The value is optional because WordPress will automatically generate a value for the variable if one is not provided.

WP::add_query_var( string $qv ) #

	public function add_query_var( $qv ) {
		if ( ! in_array( $qv, $this->public_query_vars, true ) ) {
			$this->public_query_vars[] = $qv;
		}
	}