1--TEST-- 2SCCP 006: Conditional Constant Propagation of non-escaping array elements 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) { 14 $a = ["a"=>1,"a"=>2,"a"=>$x]; 15 echo $a["a"]; 16} 17?> 18--EXPECTF-- 19$_main: 20 ; (lines=1, args=0, vars=0, tmps=0) 21 ; (after optimizer) 22 ; %ssccp_006.php:1-7 230000 RETURN int(1) 24 25foo: 26 ; (lines=8, args=1, vars=2, tmps=1) 27 ; (after optimizer) 28 ; %ssccp_006.php:2-5 290000 CV0($x) = RECV 1 300001 T2 = INIT_ARRAY 3 int(1) string("a") 310002 T2 = ADD_ARRAY_ELEMENT int(2) string("a") 320003 T2 = ADD_ARRAY_ELEMENT CV0($x) string("a") 330004 CV1($a) = QM_ASSIGN T2 340005 T2 = FETCH_DIM_R CV1($a) string("a") 350006 ECHO T2 360007 RETURN null 37LIVE RANGES: 38 2: 0002 - 0004 (tmp/var) 39
