// Update article A so it points to article C instead of B.
$edit = array(
'field_reference[0][target_id]' => 'Article C (' . $node3->id() . ')',
'revision' => TRUE,
);
// Update article A so it points to article C instead of B.
$edit = array(
'field_reference[0][target_id]' => 'Article C (' . $node3->id() . ')',
'revision' => TRUE,
);