1--TEST-- 2SCCP 001: Constant propagation 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() { 15 $a = 1; 16 $b = $a + 2; 17 $a += $b; 18 return $a; 19} 20?> 21--EXPECTF-- 22$_main: 23 ; (lines=1, args=0, vars=0, tmps=0) 24 ; (after optimizer) 25 ; %ssccp_001.php:1-9 260000 RETURN int(1) 27 28foo: 29 ; (lines=1, args=0, vars=0, tmps=0) 30 ; (after optimizer) 31 ; %ssccp_001.php:2-7 320000 RETURN int(4) 33
