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<?php $time = microtime(true); for ($i = 0; $i < 10000; $i++) { $array = array(); foreach ($_SERVER as $key => $value) { if (0 === strpos($key, 'SCRIPT_')) { $array[] = $key; } } } var_dump($array, microtime(true) - $time);

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32.83 ms | 402 KiB | 5 Q