xref: /PHP-8.0/ext/opcache/tests/opt/sccp_004.phpt (revision 0684b9fc)
1--TEST--
2SCCP 004: 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--SKIPIF--
10<?php require_once('skipif.inc'); ?>
11--FILE--
12<?php
13function foo(int $x) {
14    $a = [1,2,3];
15    $a[2] = $x;
16    $i = 1;
17    $c = $i < 2;
18    if ($c) {
19        $k = 2 * $i;
20        $a[$k] = $i;
21//		$a[$k]++;
22        echo isset($a[$k]);
23//		$a[$k] += 5;
24    }
25    echo $a[2];
26}
27?>
28--EXPECTF--
29$_main:
30     ; (lines=1, args=0, vars=0, tmps=0)
31     ; (after optimizer)
32     ; %ssccp_004.php:1-17
330000 RETURN int(1)
34
35foo:
36     ; (lines=4, args=1, vars=1, tmps=0)
37     ; (after optimizer)
38     ; %ssccp_004.php:2-15
390000 CV0($x) = RECV 1
400001 ECHO string("1")
410002 ECHO string("1")
420003 RETURN null
43