<?php class myIterator implements Iterator { private $position = 0; private $array = array( "firstelement", "secondelement", "lastelement", ); public function __construct() { $this->position = 0; } function rewind() { $this->position = 0; } function current() { return $this->array[$this->position]; } function key() { return $this->position; } function next() { ++$this->position; } function valid() { return isset($this->array[$this->position]); } } $it = new myIterator; var_dump($it->key()); var_dump(key($it)); ?>
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