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= 9--EXTENSIONS-- 10opcache 11--FILE-- 12<?php 13function foo(int $a) { 14 $a = 10; 15 $b = 20; 16 $x = func_get_args(); 17 $a = 30; 18 $b = 40; 19 return $x; 20} 21?> 22--EXPECTF-- 23$_main: 24 ; (lines=1, args=0, vars=0, tmps=0) 25 ; (after optimizer) 26 ; %sdce_002.php:1-11 270000 RETURN int(1) 28 29foo: 30 ; (lines=5, args=1, vars=2, tmps=0) 31 ; (after optimizer) 32 ; %sdce_002.php:2-9 330000 CV0($a) = RECV 1 340001 CV0($a) = QM_ASSIGN int(10) 350002 CV1($x) = FUNC_GET_ARGS 360003 CV0($a) = QM_ASSIGN int(30) 370004 RETURN CV1($x) 38