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@ 2014-01-29T01:44:15Z

<?php

function get_rand_str($len){
 $result='';
 $chars=preg_split('//','abcdef0123456789');
 for($i=0;$i<$len;$i++) $result.=$chars[rand(0,count($chars)-1)];
 return $result;
}

echo get_rand_str(36);

Output
Performance
VLD
References
Branches

preg_split: documentation ( source)
rand: documentation ( source)

preferences:dark modelive preview

32.92 ms | 402 KiB | 5 Q