|
@@ -668,11 +668,14 @@ function theme_tripal_core_relationships_form_table($variables) {
|
|
|
*/
|
|
|
function tripal_core_relationships_form_retreive($node) {
|
|
|
$rels = array();
|
|
|
- foreach ($node->rel_table as $type_id => $elements) {
|
|
|
- if ($type_id != 'new') {
|
|
|
- foreach ($elements as $rank => $relationships) {
|
|
|
- $rels[$type_id][$rank]['subject_id'] = $relationships['subject_id'];
|
|
|
- $rels[$type_id][$rank]['object_id'] = $relationships['object_id'];
|
|
|
+
|
|
|
+ if (isset($node->rel_table)) {
|
|
|
+ foreach ($node->rel_table as $type_id => $elements) {
|
|
|
+ if ($type_id != 'new') {
|
|
|
+ foreach ($elements as $rank => $relationships) {
|
|
|
+ $rels[$type_id][$rank]['subject_id'] = $relationships['subject_id'];
|
|
|
+ $rels[$type_id][$rank]['object_id'] = $relationships['object_id'];
|
|
|
+ }
|
|
|
}
|
|
|
}
|
|
|
}
|