PHP » Operators » !=

Syntax:
expression1 != expression2
expression1
An expression.
expression2
Another expression to compare it to.

Not equal to.

This comparison operator returns TRUE if the first expression is not equal in value to the second. The two expressions or variables do not have to be of the same type.

Examples

Code:
<?php

if (5.01 != 5)
   print "5.01 is not equal to 5";

?>
Output:
5.01 is not equal to 5
Explanation:

Two numbers are compared.