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run code in 300+ PHP versions simultaneously
<?php $input = ''; $code = ''; for ($i = 0; isset($input[$i]); $i++) { $code .= $code ? '.' : ''; $code .= sprintf('(function($str, $pos) { $length = (function($str) { for ($l = 0; isset($str[$l]); $l++) {} return $l - 1; })($str); return $str[$length - $pos]; })(%s, %u)', var_export($input, true), $i); } $code = sprintf('return %s;', $code); var_dump($code); var_dump(eval($code));
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
string(8) "return ;" NULL
Output for 5.0.0 - 5.0.1
string(162) "return (function($str, $pos) { $length = (function($str) { for ($l = 0; isset($str[$l]); $l++) {} return $l - 1; })($str); return $str[$length - $pos]; })('', 0);" Parse error: parse error, unexpected T_FUNCTION in /in/X2KvA(14) : eval()'d code on line 1 bool(false)
Process exited with code 255.
Output for 4.3.0 - 4.3.2
Notice: Uninitialized string offset: 0 in /in/X2KvA on line 6 string(8) "return ;" NULL

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