Here’s a snippet that is sure to be quite useful for PHP programmers and web developers who often work with XML files. It’s a code to read/write an XML file by using CakePHP. Some of you might find a few lines a bit familiar, which is because parts of it are borrowed from the concept of parsing XML.

//Save data to an xml
App::import('Helper', 'Xml');
App::import('Core','File');
$xml = new XmlHelper();
$file = $xml->header();
$file .= $xml->serialize($config, array('whitespace' => true));

$xmlFile = new File(path_to_file);
$xmlFile->write($file, 'w');
$xmlFile->close();

//Read data from an XML
if (file_exists(path_to_file)) {
 App::import('Helper', 'Xml');
 $parsed_xml = new XML(path_to_file);
 $data = $parsed_xml->toArray();
 $this->data['Email'] = $data['StdClass'];
}    

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