Quizzes de desarrollo web

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

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

A multidimensional array is an array containing one or more arrays.
False
True

We can know the size of an array with $myarray->length.
False
True

preg_match() performs a regular expression match.
False
True