blob: 62085c5c2ffff64f770973190fbb0ad737a2c9d6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
<?php
/**
* This is in almost every respect equivalent to an array except
* that it keeps track of which keys were accessed.
*
* @warning For the sake of backwards compatibility with early versions
* of PHP 5, you must not use the $hash[$key] syntax; if you do
* our version of offsetGet is never called.
*/
class HTMLPurifier_StringHash extends ArrayObject
{
protected $accessed = array();
/**
* Retrieves a value, and logs the access.
*/
public function offsetGet($index) {
$this->accessed[$index] = true;
return parent::offsetGet($index);
}
/**
* Returns a lookup array of all array indexes that have been accessed.
* @return Array in form array($index => true).
*/
public function getAccessed() {
return $this->accessed;
}
/**
* Resets the access array.
*/
public function resetAccessed() {
$this->accessed = array();
}
}
// vim: et sw=4 sts=4
|
