If you try to create an XML config using a multidimensional array and the keys are numeric, the value is an array, there gets a fatal error on string-convertion.

Example {quote} {quote} creates this array: {quote} array('notification' =>array('adress' =>array(0 => array('name'=>'firstname lastname','mail'=>'mail@domain.de'),1 => array('name'=>'firstname2 lastname2','mail'=>'mail2@domain.de')))); {quote}

// FIXME Zend/Config/Writer/Xml.php line (182) $child = $parent->addChild($branchName {color:red}-,(string) $value-{color});