3v4l.org

run code in 300+ PHP versions simultaneously
<?php function stringxor($o1, $o2) { $res = ''; for($i=0;$i<strlen($o1);$i++) $res .= chr(ord($o1[$i]) ^ ord($o2[$i])); return $res; } echo stringxor('c92fcd61896793q3ac463feb85ba00d5a7ae52842',base64_decode('VA5QA1cCVQgPXwEAXwZVVVsHBgtfUVBaV1QEAwIFVAJWAwBRC1tRVA=='));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Uninitialized string offset 40 in /in/4K5ji on line 6 77be4fc97f77f5$f:d2=l758oafb250774a4>ii`2
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Uninitialized string offset: 40 in /in/4K5ji on line 6 77be4fc97f77f5$f:d2=l758oafb250774a4>ii`2
Output for 7.3.32 - 7.3.33
77be4fc97f77f5$f:d2=l758oafb250774a4>ii`2
preferences:
291.11 ms | 401 KiB | 327 Q