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@ 2016-11-07T22:05:16Z

<?php
$length = 10;
$bytes = mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
var_dump($bytes, bin2hex($bytes));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
bin2hex: documentation ( source)

preferences:dark modelive preview

54.5 ms | 402 KiB | 5 Q