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User: safarimaris (1000)
PHP: 7.2.34-54+ubuntu22.04.1+deb.sury.org+1
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$ pwd: /opt/php-5.6.40/Zend/tests/
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File: //opt/php-5.6.40/Zend/tests/gc_009.phpt
--TEST--
GC 009: Unreferenced array-object cycle
--INI--
zend.enable_gc=1
--FILE--
<?php
$a = array();
$a[0] = new stdClass();
$a[0]->a = array();
$a[0]->a[0] =& $a[0];
var_dump($a[0]);
var_dump(gc_collect_cycles());
unset($a);
var_dump(gc_collect_cycles());
echo "ok\n"
?>
--EXPECTF--
object(stdClass)#%d (1) {
  ["a"]=>
  array(1) {
    [0]=>
    *RECURSION*
  }
}
int(0)
int(2)
ok
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