add shipping rules

app/Repositories/Core/Arrays.php

@@ -14,6 +14,7 @@ class Arrays
             }
         }
         unset($array[$oldkey]);
+
         return $array;
     }
 
@@ -35,31 +36,32 @@ class Arrays
     public static function alternate_chunk($array, $parts)
     {
         $t = 0;
-        $result = array();
+        $result = [];
         $max = ceil(count($array) / $parts);
         foreach (array_chunk($array, $max) as $v) {
             if ($t < $parts) {
                 $result[] = $v;
             } else {
                 foreach ($v as $d) {
-                    $result[] = array($d);
+                    $result[] = [$d];
                 }
             }
             $t += count($v);
         }
+
         return $result;
     }
-    
-    
+
     public static function fill_chunk($array, $parts)
     {
         $t = 0;
-        $result = array_fill(0, $parts - 1, array());
+        $result = array_fill(0, $parts - 1, []);
         $max = ceil(count($array) / $parts);
         foreach ($array as $v) {
-            count($result[$t]) >= $max and $t ++;
+            count($result[$t]) >= $max and $t++;
             $result[$t][] = $v;
         }
+
         return $result;
     }
 }