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<?php
namespace Maphper;
class Iterator implements \Iterator {
private $array;
private $pk;
private $iterator = 0;
public function __construct(array $array, $pk) {
$this->array = $array;
$this->pk = $pk;
}
public function current() {
return $this->array[$this->iterator];
public function key() {
if (count($this->pk) == 1) {
$pk = end($this->pk);
return $this->array[$this->iterator]->$pk;
else {
$current = $this->current();
return array_map(function($pkName) use ($current) {
return $current->$pkName;
}, $this->pk);
public function next() {
++$this->iterator;
public function valid() {
return isset($this->array[$this->iterator]);
public function rewind() {
$this->iterator = 0;
Level-2 /
Maphper
