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run code in 300+ PHP versions simultaneously
<?php function rand_string($nb_char) { $ascii = array_merge(range(65,90), range(97,122),range(48,57)); $string = ''; for($i=0;$i<intval($nb_char);$i++) { $string.= chr($ascii[(mt_rand(0,count($ascii) - 1))]); } return $string;}echo rand_string(8);

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35.37 ms | 402 KiB | 5 Q