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run code in 300+ PHP versions simultaneously
<?php set_time_limit(5); $startTime = microtime(true); while (true) { $newTime = microtime(true); if(($newTime + 60) >= $startTime) { break; } } echo 'Total execution time in seconds: ' . (microtime(true) - $startTime);

preferences:
33.44 ms | 402 KiB | 5 Q