ZEND_FETCH_ARG_MASK 1731 Zend/zend_execute.c 	zend_uint arg_num = opline->extended_value & ZEND_FETCH_ARG_MASK;
ZEND_FETCH_ARG_MASK   84 ext/opcache/Optimizer/optimize_func_calls.c 					if (ARG_SHOULD_BE_SENT_BY_REF(call_stack[call - 1].func, (opline->extended_value & ZEND_FETCH_ARG_MASK))) {