<?
class ExtendedArrayObject extends ArrayObject {
	
	private $_array;
	public function __construct()
	{
		if (is_array(func_get_arg(0)))
		$this->_array = func_get_arg(0);
		else
		$this->_array = func_get_args();
		parent::__construct($this->_array);
	}
	
	
	public function each($callback)
	{
		$iterator = $this->getIterator();

		while($iterator->valid()) {
			$callback($iterator->current());
			$iterator->next();
		}

	}
	
	public function without()
	{
		$args = func_get_args();
		return array_values(array_diff($this->_array,$args));
	}
	
	public function first()
	{
		return $this->_array[0];
	}
	
	public function indexOf($value)
	{
		return array_search($value,$this->_array);
	}
	
	public function inspect()
	{
		echo "<pre>".print_r($this->_array, true)."</pre>";
	}
	
	public function last()
	{
		return $this->_array[count($this->_array)-1];
	}
	
	public function reverse($applyToSelf=false)
	{
		if (!$applyToSelf)
		return array_reverse($this->_array);
		else 
		{
			$_array = array_reverse($this->_array);
			$this->_array = $_array;
			parent::__construct($this->_array);
			return $this->_array;
		}
	}
	
	public function shift()
	{
		$_element = array_shift($this->_array);
		parent::__construct($this->_array);
		return $_element;
	}
	
		
	public function pop()
	{
		$_element = array_pop($this->_array);
		parent::__construct($this->_array);
		return $_element;
	}
}
?>