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@ 2015-04-09T20:35:20Z

<?php

function strxor2($rhs, $lhs)
{
    $result = '';

    for ($i = 0; $i < strlen($rhs); $i++) {
        $result .= chr(ord($rhs[$i]) ^ ord($lhs[$i]));
    }

    return $result;
}

var_dump(strxor2('1', '2'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
chr: documentation ( source)
ord: documentation ( source)

preferences:dark modelive preview

34.82 ms | 402 KiB | 5 Q