Generalize variable names.

Author: sibprogrammer

src/PleskX/Api/Operator/Customer.php

@@ -44,8 +44,8 @@ public function delete($field, $value)
      */
     public function get($field, $value)
     {
-        $customers = $this->_get($field, $value);
-        return reset($customers);
+        $items = $this->_get($field, $value);
+        return reset($items);
     }
 
     /**

src/PleskX/Api/Operator/DatabaseServer.php

@@ -26,8 +26,8 @@ public function getSupportedTypes()
      */
     public function get($field, $value)
     {
-        $customers = $this->_get($field, $value);
-        return reset($customers);
+        $items = $this->_get($field, $value);
+        return reset($items);
     }
 
     /**

src/PleskX/Api/Operator/ServicePlan.php

@@ -15,8 +15,8 @@ class ServicePlan extends \PleskX\Api\Operator
      */
     public function get($field, $value)
     {
-        $customers = $this->_get($field, $value);
-        return reset($customers);
+        $items = $this->_get($field, $value);
+        return reset($items);
     }
 
     /**