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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 = 'Ȳi?'
$hex = 'f4b8c8b2693f9be4'
Error : Function mcrypt_create_iv() is deprecated
Examples
#1 mcrypt_create_iv  (8)
See also
bin2hex, random_bytes
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