diff --git a/src/CartItem.php b/src/CartItem.php
index c68abd6..57cc569 100644
--- a/src/CartItem.php
+++ b/src/CartItem.php
@@ -2,6 +2,7 @@
 
 namespace LukePOLO\LaraCart;
 
+use Illuminate\Support\Arr;
 use LukePOLO\LaraCart\Contracts\CouponContract;
 use LukePOLO\LaraCart\Exceptions\ModelNotFound;
 use LukePOLO\LaraCart\Traits\CartOptionsMagicMethodsTrait;
@@ -9,13 +10,13 @@
 /**
  * Class CartItem.
  *
- * @property int id
- * @property int qty
- * @property float tax
- * @property float price
+ * @property int    id
+ * @property int    qty
+ * @property float  tax
+ * @property float  price
  * @property string name
- * @property array options
- * @property bool taxable
+ * @property array  options
+ * @property bool   taxable
  */
 class CartItem
 {
@@ -44,8 +45,8 @@ class CartItem
     /**
      * CartItem constructor.
      *
-     * @param $id
-     * @param $name
+     * @param            $id
+     * @param            $name
      * @param int        $qty
      * @param string     $price
      * @param array      $options
@@ -137,7 +138,7 @@ public function find($data)
      */
     public function findSubItem($subItemHash)
     {
-        return array_get($this->subItems, $subItemHash);
+        return Arr::get($this->subItems, $subItemHash);
     }
 
     /**
@@ -382,7 +383,7 @@ public function tax($amountNotTaxable = 0, $grossTax = true, $rounded = false, $
     /**
      * Sets the related model to the item.
      *
-     * @param $itemModel
+     * @param       $itemModel
      * @param array $relations
      *
      * @throws ModelNotFound
diff --git a/src/CartSubItem.php b/src/CartSubItem.php
index 8ab2090..450b7c8 100644
--- a/src/CartSubItem.php
+++ b/src/CartSubItem.php
@@ -2,6 +2,7 @@
 
 namespace LukePOLO\LaraCart;
 
+use Illuminate\Support\Arr;
 use LukePOLO\LaraCart\Traits\CartOptionsMagicMethodsTrait;
 
 /**
@@ -30,7 +31,7 @@ public function __construct($options)
         $this->options['items'] = [];
 
         foreach ($options as $option => $value) {
-            array_set($this->options, $option, $value);
+            Arr::set($this->options, $option, $value);
         }
 
         $this->itemHash = app(LaraCart::HASH)->hash($this->options);
diff --git a/src/LaraCart.php b/src/LaraCart.php
index 8931d6f..3f34c21 100644
--- a/src/LaraCart.php
+++ b/src/LaraCart.php
@@ -6,6 +6,7 @@
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Session\SessionManager;
+use Illuminate\Support\Arr;
 use LukePOLO\LaraCart\Contracts\CouponContract;
 use LukePOLO\LaraCart\Contracts\LaraCartContract;
 use LukePOLO\LaraCart\Exceptions\ModelNotFound;
@@ -111,7 +112,7 @@ public function get($instance = 'default')
      */
     public function getAttribute($attribute, $defaultValue = null)
     {
-        return array_get($this->cart->attributes, $attribute, $defaultValue);
+        return Arr::get($this->cart->attributes, $attribute, $defaultValue);
     }
 
     /**
@@ -132,7 +133,7 @@ public function getAttributes()
      */
     public function setAttribute($attribute, $value)
     {
-        array_set($this->cart->attributes, $attribute, $value);
+        Arr::set($this->cart->attributes, $attribute, $value);
 
         $this->update();
     }
@@ -163,7 +164,7 @@ public function update()
      */
     public function removeAttribute($attribute)
     {
-        array_forget($this->cart->attributes, $attribute);
+        Arr::forget($this->cart->attributes, $attribute);
 
         $this->update();
     }
@@ -190,7 +191,7 @@ public function addLine($itemID, $name = null, $qty = 1, $price = '0.00', $optio
     /**
      * Creates a CartItem and then adds it to cart.
      *
-     * @param $itemID
+     * @param            $itemID
      * @param null       $name
      * @param int        $qty
      * @param string     $price
@@ -335,10 +336,10 @@ public function find($data)
         switch (count($matches)) {
             case 0:
                 return;
-                break;
+            break;
             case 1:
                 return $matches[0];
-                break;
+            break;
             default:
                 return $matches;
         }
@@ -353,7 +354,7 @@ public function find($data)
      */
     public function getItem($itemHash)
     {
-        return array_get($this->getItems(), $itemHash);
+        return Arr::get($this->getItems(), $itemHash);
     }
 
     /**
@@ -465,7 +466,7 @@ public function getCoupons()
      */
     public function findCoupon($code)
     {
-        return array_get($this->cart->coupons, $code);
+        return Arr::get($this->cart->coupons, $code);
     }
 
     /**
@@ -492,7 +493,7 @@ public function addCoupon(CouponContract $coupon)
     public function removeCoupon($code)
     {
         $this->removeCouponFromItems($code);
-        array_forget($this->cart->coupons, $code);
+        Arr::forget($this->cart->coupons, $code);
         $this->update();
     }
 
@@ -515,21 +516,21 @@ public function removeCoupons()
      */
     public function getFee($name)
     {
-        return array_get($this->cart->fees, $name, new CartFee(null, false));
+        return Arr::get($this->cart->fees, $name, new CartFee(null, false));
     }
 
     /**
      * Allows to charge for additional fees that may or may not be taxable
      * ex - service fee , delivery fee, tips.
      *
-     * @param $name
-     * @param $amount
+     * @param            $name
+     * @param            $amount
      * @param bool|false $taxable
      * @param array      $options
      */
     public function addFee($name, $amount, $taxable = false, array $options = [])
     {
-        array_set($this->cart->fees, $name, new CartFee($amount, $taxable, $options));
+        Arr::set($this->cart->fees, $name, new CartFee($amount, $taxable, $options));
 
         $this->update();
     }
@@ -541,7 +542,7 @@ public function addFee($name, $amount, $taxable = false, array $options = [])
      */
     public function removeFee($name)
     {
-        array_forget($this->cart->fees, $name);
+        Arr::forget($this->cart->fees, $name);
 
         $this->update();
     }
@@ -850,8 +851,8 @@ private function getItemModelOptions(Model $itemModel, $options = [])
      * Gets a option from the model.
      *
      * @param Model $itemModel
-     * @param $attr
-     * @param null $defaultValue
+     * @param       $attr
+     * @param null  $defaultValue
      *
      * @return Model|null
      */
@@ -861,7 +862,7 @@ private function getFromModel(Model $itemModel, $attr, $defaultValue = null)
 
         if (!empty($attr)) {
             foreach (explode('.', $attr) as $attr) {
-                $variable = array_get($variable, $attr, $defaultValue);
+                $variable = Arr::get($variable, $attr, $defaultValue);
             }
         }
 
diff --git a/src/LaraCartServiceProvider.php b/src/LaraCartServiceProvider.php
index 88e994d..528d314 100644
--- a/src/LaraCartServiceProvider.php
+++ b/src/LaraCartServiceProvider.php
@@ -3,6 +3,7 @@
 namespace LukePOLO\LaraCart;
 
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Str;
 
 /**
  * Class LaraCartServiceProvider.
@@ -50,7 +51,7 @@ public function register()
         $this->app->bind(
             LaraCart::RANHASH,
             function () {
-                return str_random(40);
+                return Str::random(40);
             }
         );
     }
diff --git a/src/Traits/CartOptionsMagicMethodsTrait.php b/src/Traits/CartOptionsMagicMethodsTrait.php
index c3967cb..3832cd4 100644
--- a/src/Traits/CartOptionsMagicMethodsTrait.php
+++ b/src/Traits/CartOptionsMagicMethodsTrait.php
@@ -2,6 +2,7 @@
 
 namespace LukePOLO\LaraCart\Traits;
 
+use Illuminate\Support\Arr;
 use LukePOLO\LaraCart\CartItem;
 use LukePOLO\LaraCart\Exceptions\InvalidPrice;
 use LukePOLO\LaraCart\Exceptions\InvalidQuantity;
@@ -23,7 +24,7 @@ trait CartOptionsMagicMethodsTrait
      */
     public function __get($option)
     {
-        return array_get($this->options, $option);
+        return Arr::get($this->options, $option);
     }
 
     /**
@@ -61,8 +62,8 @@ public function __set($option, $value)
                 break;
         }
 
-        $changed = (!empty(array_get($this->options, $option)) && array_get($this->options, $option) != $value);
-        array_set($this->options, $option, $value);
+        $changed = (!empty(Arr::get($this->options, $option)) && Arr::get($this->options, $option) != $value);
+        Arr::set($this->options, $option, $value);
 
         if ($changed) {
             if (is_callable([$this, 'generateHash'])) {