MgdSchema method parent

Description:

$object->parent(void)

Minimum version: Midgard 1.7

Returns class name of parent type ( midgard tree ).

<?php  
    $object = new midgard_article();  

    if ($parent = $object->parent()) {
         echo "parent type  is $parent";
    }
    ?>

Return false when object has no parent defined.

parent should be defined in XML schema file as type attribute