I need to transform this php code, Can you help to transform ?

[baiheng1981]

$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key,'PLAINTEXT', MCRYPT_MODE_CBC, $iv);