How to write CDATA using SimpleXmlElement?

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Got it! I adapted the code from this great solution (archived version):

    <?php
    
    // http://coffeerings.posterous.com/php-simplexml-and-cdata
    class SimpleXMLExtended extends SimpleXMLElement {

      public function addCData( $cdata_text ) {
        $node = dom_import_simplexml( $this ); 
        $no   = $node->ownerDocument;
        
        $node->appendChild( $no->createCDATASection( $cdata_text ) ); 
      }
    
    }

    $xmlFile="config.xml";
    
    // instead of $xml = new SimpleXMLElement( '<site/>' );
    $xml        = new SimpleXMLExtended( '<site/>' );
    
    $xml->title = NULL; // VERY IMPORTANT! We need a node where to append
    
    $xml->title->addCData( 'Site Title' );
    $xml->title->addAttribute( 'lang', 'en' );
    
    $xml->saveXML( $xmlFile );
    
    ?>

XML file generated:

    <?xml version="1.0"?>
    <site>
      <title lang="en"><![CDATA[Site Title]]></title>
    </site>

Thank you Petah

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