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= 9zend_test.observer.enabled=0 10--EXTENSIONS-- 11opcache 12--FILE-- 13<?php 14function foo(int $a) { 15 $b = $a += 3; 16 return $a; 17} 18?> 19--EXPECTF-- 20$_main: 21 ; (lines=1, args=0, vars=0, tmps=0) 22 ; (after optimizer) 23 ; %sdce_003.php:1-7 240000 RETURN int(1) 25 26foo: 27 ; (lines=3, args=1, vars=1, tmps=0) 28 ; (after optimizer) 29 ; %sdce_003.php:2-5 300000 CV0($a) = RECV 1 310001 CV0($a) = ADD CV0($a) int(3) 320002 RETURN CV0($a) 33
