Artician HTML purification

<?php
    /**********************************************************/
    /*                   HTML PURIFICATION                    */
    /**********************************************************/
    
    /*  string  purify
     *
     *  @param  $dirty_html string
     *  @param  $lite       bool        Disallow everything except u,l,i,h1,h2,h3,h4,h5,h6,strong,em,span,div; Also disallow style/class
     *  @param  $customize  bool        
     * 
     *  @returns Purified HTML
     */
    function purify($dirty_html,$lite = FALSE, $customize = FALSE,$css_tricks = FALSE) {
        require_once '/var/www/artician/artician.com/htdocs/classes/htmlpurifier/HTMLPurifier.auto.php';
        require_once '/var/www/artician/artician.com/htdocs/classes/htmlpurifier/HTMLPurifier.func.php';
        $config = HTMLPurifier_Config::createDefault();
        
        //Configuration
        $config->set('Core.Encoding', 'UTF-8'); // replace with your encoding
        $config->set('HTML.Doctype', 'XHTML 1.0 Transitional'); // replace with your doctype
		$config->set('Core.EscapeNonASCIICharacters', false);
        $config->set('Attr.AllowedRel', array('nofollow'));
        $config->set('HTML.Nofollow', true); // Add Nofollow to all outgoing links
        
        //Customize Mode, Allows ID
        if($customize) {
            $config->set('Attr.EnableID',TRUE);
            $config->set('HTML.AllowedAttributes', array('id','src','style','class','href','type','name','title','id','alt','class','style','border','width','height','rel','cellspacing','cellpadding'));
            $config->set('HTML.Allowed', 'a[href],strong,em,ol[type|start],ul[type],li,blockquote,h1,h2,h3,h4,h5,h6,b,u,i,img[src],p,br,font,hr,td,th,tr,table,sup,sub,small,span,div,center,link,*[name|title|id|alt|class|style|border|width|height|rel|cellspacing|cellpadding]');
        }
        
        //Is In Line Text?
        if($lite) {
            $config->set('HTML.ForbiddenAttributes', array('style','class'));
            $config->set('HTML.Allowed', 'a[href],strong,em,ol[type|start],ul[type],li,blockquote,h1,h2,h3,h4,h5,h6,b,u,i,p,br,font,sup,sub,small,span,div,center');
        }
        else {
            $config->set('HTML.SafeEmbed',TRUE);
            $config->set('HTML.SafeObject',TRUE);
        }
		
		//Enable CSS Tricks, Such as display:*, !important cascade modifiers, and proprietary CSS values
        if ($css_tricks) {
			$config->set('CSS.Proprietary', TRUE);
			$config->set('CSS.AllowTricky', TRUE);
			$config->set('CSS.AllowImportant', TRUE);
		}
        
        $purifier = new HTMLPurifier($config);
        $html = $purifier->purify($dirty_html);
        return $html;
    }
    
    function purify_cleanHTML($dirty_html,$allowed='a[href|target],strong,em,ol[type|start],ul[type],li,blockquote,h1,h2,h3,h4,h5,h6,b,u,i,img[src],p,br,font,hr,td,th,tr,table,sup,sub,small,span,div,center,link,*[name|title|alt|class|style|border|width|height|rel|cellspacing|cellpadding]',$AllowedAttributes=array('style','class'),$ForbiddenElements=array('iframe')) {
        require_once '/var/www/artician/artician.com/htdocs/classes/htmlpurifier/HTMLPurifier.auto.php';
        require_once '/var/www/artician/artician.com/htdocs/classes/htmlpurifier/HTMLPurifier.func.php';
        $config = HTMLPurifier_Config::createDefault();
        // configuration goes here:
        //$config->set('HTML.TidyLevel', 'light');
        $config->set('Core.Encoding', 'UTF-8'); // replace with your encoding
        $config->set('HTML.Doctype', 'XHTML 1.0 Transitional'); // replace with your doctype
        $config->set('HTML.ForbiddenElements', $ForbiddenElements);
        $config->set('HTML.DefinitionID', 'new-filter-for-user-input');
        $config->set('HTML.DefinitionRev', 1);
        //No caching of this filter definition - remove later!
        $config->set('HTML.Allowed', $allowed);
        $config->set('HTML.AllowedAttributes', $AllowedAttributes);
        $purifier = new HTMLPurifier($config);
        $html = $purifier->purify($dirty_html);
        return $html;
    }