PHP » Operators » !
- Syntax:
- !expression
- expression
- Expression of which the logical value should be inverted.
Logical NOT.
This is the logical NOT operator, that turns TRUE into FALSE, and FALSE into TRUE.
Examples
Code:
<?php
$a = FALSE;
if (!$a) {
print "\$a is FALSE";
}
?> Output:
$a is FALSE Explanation:
$a is FALSE, but !$a is TRUE, which means that the if statement evaluates to TRUE and the print statement is executed.
