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@ 2014-02-14T16:31:35Z

<?php

global $ary;

class C {
    public $ref;
    public function __construct() {
        $this->ref = $this;
    }
    public function __destruct() {
        global $ary;
        $ary[] = $this;
    }
}

new C;
gc_collect_cycles();

var_dump($ary);

?>

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
gc_collect_cycles: documentation ( source)

preferences:dark modelive preview

56.3 ms | 402 KiB | 5 Q