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<?php $before= '<html> <head> <meta name="old"/> <title></title> </head> <body> <h1></h1> </body> </html> '; $HTMLDoc = new DOMDocument(); $HTMLDoc->loadHTML($before, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD ); $xpath = new DOMXPath($HTMLDoc); $destination = $xpath->query('//head/title'); $template = $HTMLDoc->createDocumentFragment(); $template->appendXML('<meta name="new"/>'); $destination[0]->parentNode->insertBefore($template, $destination[0]->nextSibling); echo $HTMLDoc->saveHTML();
Output for git.master, git.master_jit, rfc.property-hooks
<html> <head> <meta name="old"> <title></title><meta name="new"> </head> <body> <h1></h1> </body> </html>

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