Fix php_get_args function info return type and add arg check

Closes phpGH-5648.

Author: iluuu1994

Zend/tests/bug72107.phpt

@@ -13,4 +13,4 @@ try {
 }
 ?>
 --EXPECT--
-Cannot call func_get_args() dynamically
+func_get_args() expects exactly 0 parameters, 4 given

Zend/zend_builtin_functions.c

@@ -231,6 +231,8 @@ ZEND_FUNCTION(func_get_args)
 	uint32_t i;
 	zend_execute_data *ex = EX(prev_execute_data);
 
+	ZEND_PARSE_PARAMETERS_NONE();
+
 	if (ZEND_CALL_INFO(ex) & ZEND_CALL_CODE) {
 		zend_throw_error(NULL, "func_get_args() cannot be called from the global scope");
 		RETURN_THROWS();

ext/opcache/Optimizer/zend_func_info.c

@@ -94,7 +94,7 @@ static const func_info_t func_infos[] = {
 	/* zend */
 	F1("zend_version",            MAY_BE_STRING),
 	FN("func_get_arg",            UNKNOWN_INFO),
-	FN("func_get_args",           MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
+	FN("func_get_args",           MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
 	F1("get_class_vars",          MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
 	FN("get_object_vars",         MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
 	FN("get_mangled_object_vars", MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),