<?php
  
  namespace Illuminate\Support;
  
  /**
   * @mixin \Illuminate\Support\Enumerable
   */
  class HigherOrderWhenProxy
  {
      /**
       * The collection being operated on.
       *
       * @var \Illuminate\Support\Enumerable
       */
      protected $collection;
  
      /**
       * The condition for proxying.
       *
       * @var bool
       */
      protected $condition;
  
      /**
       * Create a new proxy instance.
       *
       * @param  \Illuminate\Support\Enumerable  $collection
       * @param  bool  $condition
       * @return void
       */
      public function __construct(Enumerable $collection, $condition)
      {
          $this->condition = $condition;
          $this->collection = $collection;
      }
  
      /**
       * Proxy accessing an attribute onto the collection.
       *
       * @param  string  $key
       * @return mixed
       */
      public function __get($key)
      {
          return $this->condition
              ? $this->collection->{$key}
              : $this->collection;
      }
  
      /**
       * Proxy a method call onto the collection.
       *
       * @param  string  $method
       * @param  array  $parameters
       * @return mixed
       */
      public function __call($method, $parameters)
      {
          return $this->condition
              ? $this->collection->{$method}(...$parameters)
              : $this->collection;
      }
  }