1--TEST-- 2DCE 002: func_get_args() disables deletion of assignments to parameter variables 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=-1 7opcache.opt_debug_level=0x20000 8opcache.preload= 9zend_test.observer.enabled=0 10--EXTENSIONS-- 11opcache 12--FILE-- 13<?php 14function foo(int $a) { 15 $a = 10; 16 $b = 20; 17 $x = func_get_args(); 18 $a = 30; 19 $b = 40; 20 return $x; 21} 22?> 23--EXPECTF-- 24$_main: 25 ; (lines=1, args=0, vars=0, tmps=0) 26 ; (after optimizer) 27 ; %sdce_002.php:1-11 280000 RETURN int(1) 29 30foo: 31 ; (lines=5, args=1, vars=2, tmps=0) 32 ; (after optimizer) 33 ; %sdce_002.php:2-9 340000 CV0($a) = RECV 1 350001 CV0($a) = QM_ASSIGN int(10) 360002 CV1($x) = FUNC_GET_ARGS 370003 CV0($a) = QM_ASSIGN int(30) 380004 RETURN CV1($x) 39