<?php
/**
* Abstract base class for implementing objects that behave like arrays. This
* class wraps a basic array and provides trivial implementations for
* `Countable`, `ArrayAccess` and `Iterator`, so subclasses need only implement
* specializations.
*/
abstract class PhutilArray
extends Phobject
implements Countable, ArrayAccess, Iterator {
protected $data = array();
public function __construct(array $initial_value = array()) {
$this->data = $initial_value;
}
/* -( Conversion )--------------------------------------------------------- */
public function toArray() {
return iterator_to_array($this, true);
}
/* -( Countable Interface )------------------------------------------------ */
public function count() {
return count($this->data);
}
/* -( Iterator Interface )------------------------------------------------- */
public function current() {
return current($this->data);
}
public function key() {
return key($this->data);
}
public function next() {
return next($this->data);
}
public function rewind() {
reset($this->data);
}
public function valid() {
return (key($this->data) !== null);
}
/* -( ArrayAccess Interface )---------------------------------------------- */
public function offsetExists($key) {
return array_key_exists($key, $this->data);
}
public function offsetGet($key) {
return $this->data[$key];
}
public function offsetSet($key, $value) {
$this->data[$key] = $value;
}
public function offsetUnset($key) {
unset($this->data[$key]);
}
}