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= 9zend_test.observer.enabled=0 10--EXTENSIONS-- 11opcache 12--FILE-- 13<?php 14function foo(int $x) { 15 $a = ["a"=>1,"a"=>2,"a"=>$x]; 16 echo $a["a"]; 17} 18?> 19--EXPECTF-- 20$_main: 21 ; (lines=1, args=0, vars=0, tmps=0) 22 ; (after optimizer) 23 ; %ssccp_006.php:1-7 240000 RETURN int(1) 25 26foo: 27 ; (lines=8, args=1, vars=2, tmps=1) 28 ; (after optimizer) 29 ; %ssccp_006.php:2-5 300000 CV0($x) = RECV 1 310001 T2 = INIT_ARRAY 3 int(1) string("a") 320002 T2 = ADD_ARRAY_ELEMENT int(2) string("a") 330003 T2 = ADD_ARRAY_ELEMENT CV0($x) string("a") 340004 CV1($a) = QM_ASSIGN T2 350005 T2 = FETCH_DIM_R CV1($a) string("a") 360006 ECHO T2 370007 RETURN null 38LIVE RANGES: 39 2: 0002 - 0004 (tmp/var) 40