1--TEST-- 2DCE 003: Assignment elimination (without FREE) 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 $b = $a += 3; 15 return $a; 16} 17?> 18--EXPECTF-- 19$_main: 20 ; (lines=1, args=0, vars=0, tmps=0) 21 ; (after optimizer) 22 ; %sdce_003.php:1-7 230000 RETURN int(1) 24 25foo: 26 ; (lines=3, args=1, vars=1, tmps=0) 27 ; (after optimizer) 28 ; %sdce_003.php:2-5 290000 CV0($a) = RECV 1 300001 CV0($a) = ADD CV0($a) int(3) 310002 RETURN CV0($a) 32
