RecursivelyIteratableObjectsContainer.php

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<?php
class Zend_Pdf_RecursivelyIteratableObjectsContainer implements RecursiveIterator, Countable
{
    protected $_objects = array();

    public function __construct(array $objects) { $this->_objects = $objects; }

    public function current()      { return current($this->_objects);            }
    public function key()          { return key($this->_objects);                }
    public function next()         { return next($this->_objects);               }
    public function rewind()       { return reset($this->_objects);              }
    public function valid()        { return current($this->_objects) !== false;  }
    public function getChildren()  { return current($this->_objects);            }
    public function hasChildren()  { return count($this->_objects) > 0;          }

    public function count() { return count($this->_objects); }
}