PHP - DOMDocument - need to change/replace an existing HTML tag w/ a new one

Question

I\'m trying to change all

tags in a document to

. This is what I\'ve come up with, but it doesn\'t seem to work:

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Answer 1

Enhanced function from this answer

function changeTagName( $node, $name ) {
    $childnodes = array();
    foreach ( $node->childNodes as $child ) {
        $childnodes[] = $child;
    }
    $newnode = $node->ownerDocument->createElement( $name );
    foreach ( $childnodes as $child ){
        $child2 = $node->ownerDocument->importNode( $child, true );
        $newnode->appendChild($child2);
    }
    if ( $node->hasAttributes() ) {
        foreach ( $node->attributes as $attr ) {
            $attrName = $attr->nodeName;
            $attrValue = $attr->nodeValue;
            $newnode->setAttribute($attrName, $attrValue);
        }
    }
    $node->parentNode->replaceChild( $newnode, $node );
    return $newnode;
}

Answer 2

You are appending the div to your p which results in <p><div></div></p>, removing the p will remove everything.
Additionally $divnode->createElement() won't work when $divnode isn't initialized.

Try instead to use the DOMDocument::replaceChild() (the divs position in the dom will be the same as the ps).

foreach( $dom->getElementsByTagName("p") as $pnode ) {
    $divnode = $dom->createElement("div", $pnode->nodeValue);
    $dom->replaceChild($divnode, $pnode);
}