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@ 2017-03-24T22:42:10Z

<?php

var_dump(NAN == NAN);
var_dump(NAN === NAN);
var_dump(array(NAN) == array(NAN));
var_dump(array(NAN) === array(NAN));
$a = array(NAN);
var_dump($a == $a);
var_dump($a === $a);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

15.23 ms | 402 KiB | 5 Q