View difference between Paste ID: aDcZieRh and SRnX3icF

 <?php
 //file: Classes/Cupboard.php
 class Cupboard
 {
     protected $_items;
 
     public function addItem($item)
     {
         $this->_items[] = $item;
         return $this;
     }
     public function removeItem($item)
     {
         $key = array_search($item, $this->_items);
         unset ($this->_items[$key]);
         return $this;
     }
     public function listItems()
     {
         return implode(', ', $this->_items);
     }
 
 }
 
 
 
 <?php
 // file: Run.php
 function __autoload($class)
 {
     $path = dirname(__FILE__) . '/Classes';
     $classFile = $path . '/' . ucfirst(strtolower($class)) . '.php';
     if (!file_exists($classFile)) {
         throw new InvalidArgumentException('Non-existing class provided');
     }
     require_once $classFile;
 }
 $cb = new Cupboard();
 echo $cb->addItem('plate')
         ->addItem('cup')
         ->addItem('spoon')
         ->addItem('fork')
         ->removeItem('spoon')
         ->listItems() . PHP_EOL;