uint32_t getFunctionArgumentIndex()

in prod/native/extension/code/InternalFunctionInstrumentation.cpp [55:73]

• 19 lines of code
• 7 McCabe index (conditional complexity)

uint32_t getFunctionArgumentIndex(zend_string *name, zend_function *function) {
	uint32_t numArgs = function->common.num_args;
	if (function->type == ZEND_USER_FUNCTION || (function->common.fn_flags & ZEND_ACC_USER_ARG_INFO)) {
		for (uint32_t i = 0; i < numArgs; i++) {
			if (zend_string_equals(name, function->op_array.arg_info[i].name)) {
				return i;
			}
		}
	} else {
        std::string_view nameSv(ZSTR_VAL(name), ZSTR_LEN(name));
		for (uint32_t i = 0; i < numArgs; i++) {
            std::string_view argName(function->internal_function.arg_info[i].name);
            if (nameSv == argName) {
                return i;
            }
		}
	}
    throw std::runtime_error("argument not found");
}