mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-11-14 17:28:40 +00:00
fac747bdbd
With minor corrections. Signed-off-by: Marcus Bointon <marcus@synchromedia.co.uk> Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
48 lines
1.0 KiB
PHP
48 lines
1.0 KiB
PHP
<?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
|
|
{
|
|
/**
|
|
* @type array
|
|
*/
|
|
protected $accessed = array();
|
|
|
|
/**
|
|
* Retrieves a value, and logs the access.
|
|
* @param mixed $index
|
|
* @return mixed
|
|
*/
|
|
public function offsetGet($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
|