I am trying to generate an xml row but for some reason php is throwing me the following error
function get_galleryxml_row($row) {
    $xml_output  = '';
    $images = $this->exporter->get_property_gallery_data($row['id']);
    foreach($images as $field => $value)
        $xml_output .= "\n\t\t" . "<$field>". $value ."</$field>";
    return $xml_output;    
}
[20-May-2015 16:13:17 UTC] PHP Notice: Array to string conversion in
What is the problem in my code and how can I solve it?
