Display the drop-down list

mcrypt_create_iv()

« mb_substr_count | mcrypt_decrypt »
<?php
$string = mcrypt_create_iv (
     ✓?, // int $size
     ✓?  // [int $source = MCRYPT_DEV_URANDOM]
);

// shows the result in hexadecimal
$hex = bin2hex($string);
?>
Result
$string = '":'
$hex = 'b322188f3aa8c5ca'
Error : Function mcrypt_create_iv() is deprecated
Examples
#1 mcrypt_create_iv  (8)
See also
bin2hex, random_bytes
Help Misc Config Test Unit test
Powered by PHP 7.1.33 (0.02 s)
Creative Commons License 2014-2017 Michel Corne