arginfo_func_get_arg  102 Zend/zend_builtin_functions.c ZEND_BEGIN_ARG_INFO_EX(arginfo_func_get_arg, 0, 0, 1)
arginfo_func_get_arg  246 Zend/zend_builtin_functions.c 	ZEND_FE(func_get_arg,		arginfo_func_get_arg)