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