Not equal: != : Logical Operators « Operator « PHP

Not equal: !=

$a = 21;
$b = 15;
echo "<P>Original value of \$a is $a and \$b is $b</P>";

if ($a != $b) {
    echo "<P>TEST\$a is not equal to \$b</P>";
} else {
    echo "<P>TEST\$a is equal to \$b</P>";

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