Web development quizzes

$_POST and $_GET are superglobal variables.
False
True

$x % $y returns the percentage of $x versus $y.
False
True

We can use shuffle() to randomize the order of the elements in an array.
False
True

We can use htmlspeciallychars() to prevent hacking attacks.
False
True

The null data type represents a variable that has no value.
False
True