ArrayEntryStore.php — JetBackup – Backup, Restore & Migrate 1.4.1

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ArrayEntryStore.php

62 lines

1	<?php
2	namespace Dropbox;
3
4	/**
5	* A class that gives get/put/clear access to a single entry in an array.
6	*/
7	class ArrayEntryStore implements ValueStore
8	{
9	/** @var array */
10	private $array;
11
12	/** @var mixed */
13	private $key;
14
15	/**
16	* Constructor.
17	*
18	* @param array $array
19	* The array that we'll be accessing.
20	*
21	* @param mixed $key
22	* The key for the array element we'll be accessing.
23	*/
24	function __construct(&$array, $key)
25	{
26	$this->array = &$array;
27	$this->key = $key;
28	}
29
30	/**
31	* Returns the entry's current value or <code>null</code> if nothing is set.
32	*
33	* @return object
34	*/
35	function get()
36	{
37	if (isset($this->array[$this->key])) {
38	return $this->array[$this->key];
39	} else {
40	return null;
41	}
42	}
43
44	/**
45	* Set the array entry to the given value.
46	*
47	* @param object $value
48	*/
49	function set($value)
50	{
51	$this->array[$this->key] = $value;
52	}
53
54	/**
55	* Clear the entry.
56	*/
57	function clear()
58	{
59	unset($this->array[$this->key]);
60	}
61	}
62