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Get the name of a class related by foreign key to a specified field key. This is generally used to lookup classes involved in one-to-one relationships with the current object.


API Docs: http://api.modxcms.com/xpdo/om/xPDOObject.html#getFKClass

void getFKClass (string $k)


Get the name of the class related to the field 'book' on the object 'myChapter':

$chapter = $xpdo->getObject('myChapter',12);
echo $chapter->getFKClass('book');
// prints "myBook"

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