public static function runtestsIsset() { $loop_issetcheck = function ($count) { $result = 0; for ($iter = 0; $iter < $count; $iter++) { $result += X::isX(); } return $result; }; TimeHHOperations::timeop('issetcheck', $loop_issetcheck); $loop_noissetcheck = function ($count) { $result = 0; for ($iter = 0; $iter < $count; $iter++) { $result += Y::isY(); } return $result; }; TimeHHOperations::timeop('noissetcheck', $loop_noissetcheck); }