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run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); function exec_eval($code) { try { $result = @eval($code); $err = error_get_last(); return [$result, $err ? $err["message"] . PHP_EOL : $err/* // PHP5 */]; } catch(\Error $e) { // PHP7 return [null, $e->getMessage()]; } catch(\Exception $ex) { return [null, $ex->getMessage()]; } } var_dump(exec_eval("xdfadsfsd"));

preferences:
57.39 ms | 402 KiB | 5 Q