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✎ Editing: IDAccumulator.php ← Back

<?php

/**

* Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes

* @note In Slashdot-speak, dupe means duplicate.

* @note The default constructor does not accept $config or $context objects:

*       use must use the static build() factory method to perform initialization.

class HTMLPurifier_IDAccumulator

{

/**

* Lookup table of IDs we've accumulated.

* @public

public $ids = array();

/**

* Builds an IDAccumulator, also initializing the default blacklist

* @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config

* @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context

* @return HTMLPurifier_IDAccumulator Fully initialized HTMLPurifier_IDAccumulator

public static function build($config, $context)

{

$id_accumulator = new HTMLPurifier_IDAccumulator();

$id_accumulator->load($config->get('Attr.IDBlacklist'));

return $id_accumulator;

}

/**

* Add an ID to the lookup table.

* @param string $id ID to be added.

* @return bool status, true if success, false if there's a dupe

public function add($id)

{

if (isset($this->ids[$id])) {

return false;

}

return $this->ids[$id] = true;

}

/**

* Load a list of IDs into the lookup table

* @param $array_of_ids Array of IDs to load

* @note This function doesn't care about duplicates

public function load($array_of_ids)

{

foreach ($array_of_ids as $id) {

$this->ids[$id] = true;

}

// vim: et sw=4 sts=4

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