Apply fixes from StyleCI

app/Models/Traits/ExpensableTrait.php

@@ -12,13 +12,14 @@ trait ExpensableTrait
 
     /**
      * Morph to Expenses.
+     *
      * @return mixed
      */
     public function expenses()
     {
         return $this->morphMany(
             Expense::class,
-            'expenses',  # overridden by the next two anyway
+            'expenses',  // overridden by the next two anyway
             'ref_model',
             'ref_model_id'
         );

app/Models/Traits/FilesTrait.php

@@ -8,13 +8,14 @@ trait FilesTrait
 {
     /**
      * Morph to type of File
+     *
      * @return mixed
      */
     public function files()
     {
         return $this->morphMany(
             File::class,
-            'files',  # overridden by the next two anyway
+            'files',  // overridden by the next two anyway
             'ref_model',
             'ref_model_id'
         );

app/Models/Traits/HashIdTrait.php

@@ -8,8 +8,9 @@ use Hashids\Hashids;
 trait HashIdTrait
 {
     /**
-     * @return string
      * @throws \Hashids\HashidsException
+     *
+     * @return string
      */
     final protected static function createNewHashId(): string
     {
@@ -20,6 +21,7 @@ trait HashIdTrait
 
     /**
      * Register callbacks
+     *
      * @throws \Hashids\HashidsException
      */
     final protected static function bootHashIdTrait(): void

app/Models/Traits/JournalTrait.php

@@ -30,8 +30,10 @@ trait JournalTrait
      * Initialize a journal for a given model object
      *
      * @param string $currency_code
-     * @return Journal
+     *
      * @throws \Exception
+     *
+     * @return Journal
      */
     public function initJournal($currency_code = 'USD')
     {

app/Models/Traits/ReferenceTrait.php

@@ -4,14 +4,15 @@ namespace App\Models\Traits;
 
 /**
  * Trait ReferenceTrait
+ *
  * @property \App\Interfaces\Model $ref_model
  * @property mixed                 $ref_model_id
- * @package App\Models\Traits
  */
 trait ReferenceTrait
 {
     /**
      * @param \App\Interfaces\Model $object
+     *
      * @return self
      */
     public function referencesObject($object)
@@ -25,12 +26,13 @@ trait ReferenceTrait
 
     /**
      * Return an instance of the object or null
+     *
      * @return \App\Interfaces\Model|null
      */
     public function getReferencedObject()
     {
         if (!$this->ref_model || !$this->ref_model_id) {
-            return null;
+            return;
         }
 
         if ($this->ref_model === __CLASS__) {
@@ -38,11 +40,11 @@ trait ReferenceTrait
         }
 
         try {
-            $klass = new $this->ref_model;
+            $klass = new $this->ref_model();
             $obj = $klass->find($this->ref_model_id);
             return $obj;
         } catch (\Exception $e) {
-            return null;
+            return;
         }
     }
 }