3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$s="0?kgwLX371\23\5z62e2:Wn0@l.1?\4j64A403{3\5S1'\13"; $s="aaaaaa"; $q="str_replace"; $g = ""; while (strlen($g)<strlen($s)) { echo "aaa"; //$q = pack("H*",md5($g.$q."q1w2e3r4")); $g.=substr($q,0,8); } //echo $s^$g;

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39.42 ms | 402 KiB | 5 Q