- var_dump: documentation ( source)
<?php
$dmcryptText = "dummy";
$key = "foobar";
$size = mcrypt_get_iv_size(MCRYPT_BLOWFISH,MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($size, MCRYPT_DEV_URANDOM); //注意这里
$m = mcrypt_ecb(MCRYPT_BLOWFISH, $key, $dmcryptText, MCRYPT_DECRYPT, $iv);
var_dump($m);