htmlpurifier/library/HTMLPurifier/Strategy/Core.php

<?php

/**
 * Core strategy composed of the big four strategies.
 */
class HTMLPurifier_Strategy_Core extends HTMLPurifier_Strategy_Composite
{
    
    public function __construct() {
        $this->strategies[] = new HTMLPurifier_Strategy_RemoveForeignElements();
        $this->strategies[] = new HTMLPurifier_Strategy_MakeWellFormed();
        $this->strategies[] = new HTMLPurifier_Strategy_FixNesting();
        $this->strategies[] = new HTMLPurifier_Strategy_ValidateAttributes();
    }
    
}