library/HTMLPurifier/IDAccumulator.php

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<?php

class HTMLPurifier_IDAccumulator
{
    
    public $ids = array();
    
    public static function build($config, $context) {
        $id_accumulator = new HTMLPurifier_IDAccumulator();
        $id_accumulator->load($config->get('Attr', 'IDBlacklist'));
        return $id_accumulator;
    }
    
    public function add($id) {
        if (isset($this->ids[$id])) return false;
        return $this->ids[$id] = true;
    }
    
    public function load($array_of_ids) {
        foreach ($array_of_ids as $id) {
            $this->ids[$id] = true;
        }
    }
    
}

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