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@ 2014-03-12T14:13:55Z

<?php

$a = 'string';
$b = 'string';

$tmp = array_unique(array($a, $b));

if (-count($tmp)+2)
    echo 'They match!';

Output
Performance
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array_unique: documentation ( source)

preferences:dark modelive preview

31.17 ms | 402 KiB | 5 Q