Added code to make loading data for hasOne & belongsTo relationships …

…to be set to an empty array when there's no matching relational data.

src/LeanOrm/Model.php

@@ -902,7 +902,11 @@ protected function loadHasOne(
                         // record per parent record since this is a hasOne
                         // relationship. That's why we are doing 
                         // $matching_related_rows[0]
-                        $parent_data[$p_rec_key]->setRelatedData($rel_name, $matching_related_rows[0]);
+                        $parent_data[$p_rec_key]->setRelatedData(
+                                $rel_name, 
+                                (\count($matching_related_rows) > 0) 
+                                    ? $matching_related_rows[0] : []
+                            );
 
                     } else {
 
@@ -912,7 +916,9 @@ protected function loadHasOne(
                         // $matching_related_rows[0]
 
                         //the current row must be an array
-                        $parent_data[$p_rec_key][$rel_name] = $matching_related_rows[0];
+                        $parent_data[$p_rec_key][$rel_name] = 
+                            (\count($matching_related_rows) > 0) 
+                                ? $matching_related_rows[0] : [];
                     }
                 } // foreach( $parent_data as $p_rec_key => $parent_record )
 
@@ -928,7 +934,10 @@ protected function loadHasOne(
                         );
 
                 //stitch the related data to the parent record
-                $parent_data->setRelatedData($rel_name, array_shift($related_data));
+                $parent_data->setRelatedData(
+                    $rel_name, 
+                    (\count($related_data) > 0) ? \array_shift($related_data) : []
+                );
             } // else if ($parent_data instanceof \GDAO\Model\RecordInterface)
         } // if( array_key_exists($rel_name, $this->relations) )
     }