php-src/Zend/tests/gc_007.phpt

--TEST--
GC 007: Unreferenced array cycle
--INI--
zend.enable_gc=1
--FILE--
<?php
$a = array(array());
$a[0][0] =& $a[0];
var_dump($a[0]);
var_dump(gc_collect_cycles());
unset($a);
var_dump(gc_collect_cycles());
echo "ok\n"
?>
--EXPECT--
array(1) {
  [0]=>
  *RECURSION*
}
int(0)
int(1)
ok
Added garbage collector 2008-01-22 09:29:29 +00:00			`--TEST--`
Merge branch 'pull-request/341' * pull-request/341: (23 commits) typofixes 2013-06-10 21:20:18 +00:00			`GC 007: Unreferenced array cycle`
Turn on gc before we test it 2010-03-03 17:53:15 +00:00			`--INI--`
			`zend.enable_gc=1`
Added garbage collector 2008-01-22 09:29:29 +00:00			`--FILE--`
			`<?php`
			`$a = array(array());`
			`$a[0][0] =& $a[0];`
			`var_dump($a[0]);`
			`var_dump(gc_collect_cycles());`
			`unset($a);`
			`var_dump(gc_collect_cycles());`
			`echo "ok\n"`
			`?>`
			`--EXPECT--`
			`array(1) {`
			`[0]=>`
var_dump(): Don't skip recursion detection on first level This is confusing. The current output doesn't make it clear that we're in fact recursing to the top-level structure. Closes GH-5171. 2020-02-12 09:27:28 +00:00			`RECURSION`
Added garbage collector 2008-01-22 09:29:29 +00:00			`}`
			`int(0)`
			`int(1)`
			`ok`