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<?php function reverseVisibleText($doc, $node) { $parts = []; foreach ($node->childNodes as $child) { if ($child->nodeType === XML_TEXT_NODE) { array_unshift($parts, strrev($child->nodeValue)); } elseif ($child->nodeType === XML_ELEMENT_NODE) { $child->nodeValue = reverseVisibleText($doc, $child); array_unshift($parts, $doc->saveHTML($child)); } } return implode($parts); } $html = 'The quick <font color="brown">brown</font> fox jumps over the lazy dog'; $doc = new DOMDocument(); $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); echo reverseVisibleText($doc, $doc->documentElement);
Output for git.master, git.master_jit, rfc.property-hooks
god yzal eht revo spmuj xof <font color="brown">nworb</font> kciuq ehT

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