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run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); for ($i = 0; $i < 100000000; $i++) { rand(); } $end = microtime(true) - $start; printf("%0.6F\n", $end); $start = microtime(true); for ($i = 0; $i < 100000000; $i++) { mt_rand(); } $end = microtime(true) - $start; printf("%0.6F\n", $end);

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32.5 ms | 402 KiB | 5 Q