The $iv parameters are not required

Author: nikic

mcrypt.c

@@ -183,15 +183,15 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_mcrypt_get_cipher_name, 0, 0, 1)
 	ZEND_ARG_INFO(0, cipher)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_mcrypt_encrypt, 0, 0, 5)
+ZEND_BEGIN_ARG_INFO_EX(arginfo_mcrypt_encrypt, 0, 0, 4)
 	ZEND_ARG_INFO(0, cipher)
 	ZEND_ARG_INFO(0, key)
 	ZEND_ARG_INFO(0, data)
 	ZEND_ARG_INFO(0, mode)
 	ZEND_ARG_INFO(0, iv)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_mcrypt_decrypt, 0, 0, 5)
+ZEND_BEGIN_ARG_INFO_EX(arginfo_mcrypt_decrypt, 0, 0, 4)
 	ZEND_ARG_INFO(0, cipher)
 	ZEND_ARG_INFO(0, key)
 	ZEND_ARG_INFO(0, data)