/** * The main function for converting to an XML document. * Pass in a multi dimensional array and this recrusively loops through and builds up an XML document. * * @param array $data * @param string $rootNodeName - what you want the root node to be - defaultsto data. * @param SimpleXMLElement $xml - should only be used recursively * @return string XML */ public static function toXml($data, $rootNodeName = 'data', &$xml = null) { // turn off compatibility mode as simple xml throws a wobbly if you don't. if (@ini_get('zend.ze1_compatibility_mode') == 1) { @ini_set('zend.ze1_compatibility_mode', 0); } if (is_null($xml)) { $xml = @simplexml_load_string("<?xml version='1.0' encoding='utf-8'?><{$rootNodeName} />"); } // loop through the data passed in. foreach ($data as $key => $value) { // if numeric key, assume array of rootNodeName elements if (is_numeric($key)) { $key = $rootNodeName; } // delete any char not allowed in XML element names $key = preg_replace('/[^a-z0-9\\-\\_\\.\\:]/i', '', $key); // if there is another array found recrusively call this function if (is_array($value)) { // create a new node unless this is an array of elements $node = Gio_Core_Array::isAssoc($value) ? $xml->addChild($key) : $xml; // recrusive call - pass $key as the new rootNodeName Gio_Core_Array::toXml($value, $key, $node); } else { // add single node. $value = utf8_encode($value); $node = $xml->addChild($key, $value); } } // pass back as string. or simple xml object if you want! return $xml->asXML(); }