html - PHP DomDocument alter conditional comments -

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i have html file conditional comment.

<html xmlns="http://www.w3.org/1999/xhtml">     <head>         <meta http-equiv="content-type" content="text/html; charset=utf-8">         <link rel="stylesheet" type="text/css" href="css/style.css">         <link rel="stylesheet" type="text/css" href="css/elements.css">         <title>page</title>         <!--[if lte ie 6]>         <link rel="stylesheet" type="text/css" href="css/ie6.css" />         <![endif]-->     </head> etc...

i using domdocument library modify <link> attributes. there way of getting domdocument read , modify <link> element in conditional comments.

foreach($dom->getelementsbytagname('head') $head) {     foreach($head->childnodes $node) {         if($node instanceof domcomment) {             $node->replacedata(16,60,'test');         }     } }

this code works, let search how 'offset' , 'count' value replacedata method !


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