php is not equal to

The php not equal comparison operator is != or <>.

!= Not equal to $x != $y Returns true if $x is not equal to $y.

Code example:

<?php
$x = 17;  
$y = "17";

var_dump($x != $y); // 返回 false，因为值相等
?>

Output:

bool(false)

<> not equal to $x <> $y If $x is not equal to $y, return true.

<?php
$x = 17;  
$y = "17";

var_dump($x <> $y); // 返回 false，因为值相等
?>

Output:

bool(false)

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