3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sInp = "°­©±ª±«©±«±©jbjc"; $sKey = "8519293193919192153"; $s = ""; $j = 0; for ($i=0;$i< strlen($sInp);$i++) { $s .= chr( ord(substr($sInp,$i,1)) - ord(substr($sKey,$j++,1)) ); if($j==strlen($sKey)) $j=0; } echo $s;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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preferences:
255.22 ms | 405 KiB | 310 Q