PHP DOMDocument Recursive formatting of indented HTML documents

PHP DOMDocument Recursive formatting of indented HTML documents

functionFormat (\domnode$node,$treeIndex= 0){    //Non-formatted labelif(In_array($node->nodename,Array("title", "P", "span")))        return; if($node-HasChildNodes ()) {        $treeIndex++; $tabStart= "\ r \ n".str_repeat("   ",$treeIndex); $tabEnd= "\ r \ n".str_repeat("   ",$treeIndex-1); $i= 0;  while($childNode=$node->childnodes->item ($i++)) {            //Remove the empty text nodeif($childNode->nodetype = = Xml_text_node andPreg_match(' #^\s*$# ',$childNode-nodevalue)) {                $node->removechild ($childNode); $i--; Continue; }            $node->insertbefore ($node->ownerdocument->createtextnode ($tabStart),$childNode); $i++; Format ($childNode,$treeIndex);        }; $node->appendchild ($node->ownerdocument->createtextnode ($tabEnd)); }}$html= '
 
  
 <title></title>';$doc=New\domdocument ();//$doc->formatoutput = true;//I don't know if it is my understanding that this option is not a perfect format.$doc->loadhtml ($html); Format ($doc-documentelement);Echo$doc->savehtml ();

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