/**
* Returns database fields as keys and an associated value taken from a layer as value, ready
* for database insert.
*
* @since 3.0
*
* @param MapsLayer $layer
* @param integer $pageId The article id of the page the layer should be associated to.
* For example "Title::getArticleID()".
*
* @return array
*/
public static function databaseRowFromLayer(MapsLayer $layer, $pageId)
{
// format layer properties array:
$properties = array();
foreach ($layer->getProperties() as $key => $prop) {
$properties[] = "{$key}={$prop}";
}
$properties = implode("\n", $properties);
return array('layer_page_id' => $pageId, 'layer_name' => $layer->getName(), 'layer_type' => $layer->getType(), 'layer_data' => $properties);
}