1--TEST-- 2DCE 004: Elimination of assignment to non-escaping arrays 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 $x, int $y) { 14 $a = [$x]; 15 $a[1] = $y; 16 $a = $y; 17 return $a; 18} 19?> 20--EXPECTF-- 21$_main: 22 ; (lines=1, args=0, vars=0, tmps=0) 23 ; (after optimizer) 24 ; %sdce_004.php:1-9 250000 RETURN int(1) 26 27foo: 28 ; (lines=4, args=2, vars=3, tmps=0) 29 ; (after optimizer) 30 ; %sdce_004.php:2-7 310000 CV0($x) = RECV 1 320001 CV1($y) = RECV 2 330002 CV2($a) = QM_ASSIGN CV1($y) 340003 RETURN CV2($a) 35
