password_get_info() may return array_of_null

The algo key is set to null if the algorithm can't be detected.

Author: nikic

ext/opcache/Optimizer/zend_func_info.c

@@ -439,7 +439,7 @@ static const func_info_t func_infos[] = {
 	F1("base64_decode",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
 	F1("base64_encode",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
 	F1("password_hash",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
-	F1("password_get_info",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
+	F1("password_get_info",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
 	F0("password_needs_rehash",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
 	F0("password_verify",              MAY_BE_FALSE | MAY_BE_TRUE),
 	F1("convert_uuencode",             MAY_BE_FALSE | MAY_BE_STRING),