TagCloud for users.

<?php
/****************************************************
* Name: Tagcloud
* Version: 1.1.
* Desc: Displays the containing words of documents in a "tag cloud"
* created by Marc Hinse, [email protected], www.modxcms.de
* update: 25.04.06 - minor bugfix
*
* Usage: [[tagcloud?parent=`1,3,5,6,7,14`&min=`3`&landing=`12`
* Parameters: 
* 	parent: comma separated list of the folders that conatin the documents which are to be counted
*	min: Minimum occurrences of a word to be displayed
*	landing: the id of your search result page. If you don¥t have one, create it like: [!FlexSearchForm?FSF_showResults=`1` &FSF_showForm=`0`!]
*   (this is required for linking the tags)
* ***************************************************/

$parent = isset($parent)? $parent : "0"; 
$min = isset($min)? $min : "1";
$landing = isset($landing)? $landing : "[~[*id*]~]";


$exclude = array('',' ','  ','   ','and','a','-','ó','–','the','—','to','.',':',','); 	//exclude list
$zeichen = array(',','.',':');		//array of chars to be deleted
if (strpos($parent,',')){
	$parent= explode(',',$parent);
}

$table = $modx->getFullTableName("web_user_attributes");
		$select = $modx->db->select("state", $table);	// record: country
        // For updates: Remember to set the country varchar to 200, in the database
		while ($contents = $modx->db->getRow($select)) {
			$content.=$contents['state'];  //put them together
		}

$output='<div class="tagcloud">';
$content=strtolower(str_replace($zeichen,'',$modx->stripTags($content)));	//all to lower and without HTML
$array_content=explode(' ',$content);	//split them in separate words
$anzahl=array_count_values($array_content);		//count the words
$words=array();
	foreach($anzahl as $key => $wert) {
		if($wert>$min && (!in_array($key,$exclude))) { 	//look if the word counts the required minimum and is not in the exclude list 
			$words[$key] = $wert;	//put them in a new array
		}
	} 

//unset($words['modx']);  //if you want to override the value of words (in this case 'modx'), uncomment it and put in your word
$max_size=max($words);	//word with most hits
//$words['modx']=8;     // put in again your deleted word and value from two lines above
ksort($words);	//sort them alphabetically (just comment that out, then they will be unsortet
$multiplier=300/$max_size;	//define the multiplier for the size (play with that to fit your site!)
$min_size=30;	//minimum size
	foreach($words as $key => $wert) {
		$font_size=$multiplier*$wert;
		//$countvalues='('.$wert.')';		//uncomment this for displaying the hits next to the links 
		$output.='<span><a style="font-size:'.max($font_size,$min_size).'%;" href="[~'.$landing.'~]&FSF_search='.$key.'">'.$key.'</a>'.$countvalues.'</span>  ';
		$output.="\r\n";
	}
$output.='</div>';
return $output;
?>