<?php // Source: https://bugs.php.net/bug.php?id=62468 class SelfLinked { public $xml; public $me; public function __construct() { $this->xml = simplexml_load_string('<?xml version="1.0" encoding="UTF-8"?> <a><b><c><d><e><f><g><h><i><j><k><l><m><n><o><p><q><r><s><t><u><v><w><x><y><z>waa? </z></y></x></w></v></u></t></s></r></q></p></o></n></m></l></k></j></i></h></g></f></e></d></c></b></a>'); $this->me = $this; } } $b = memory_get_usage(); for ($i = 0; $i < 1000; $i++) { new SelfLinked(); //gc_collect_cycles(); } var_dump(memory_get_usage() - $b);
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