<?php function keygen($length=10) { $key = ''; list($usec, $sec) = explode(' ', microtime()); mt_srand((float) $sec + ((float) $usec * 100000)); $inputs = array_merge(range('z','a'),range(0,9),range('A','Z')); for($i=0; $i<$length; $i++) { $key .= $inputs{mt_rand(0,61)}; } return $key; } echo keygen(2);
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