80                 $cloud = $this->_getTagCloud($num, $min, $max, $namespaces, $tag);
88                     $min = PHP_INT_MAX;
91                         $min = min($size, $min);
99                 $cloud = $this->_getWordCloud($num, $min, $max);
102             $delta = ($max-$min)/16;
110                 if ($size < $min+round($delta)) $class = 'cloud1';
111                 elseif ($size < $min+round(2*$delta)) $class = 'cloud2';
112                 elseif ($size < $min+round(4*$delta)) $class = 'cloud3';
113                 elseif ($size < $min+round(8*$delta)) $class = 'cloud4';
198         $min = $this->getConf('minimum_word_length');
200             if (iconv_strlen($key) < $min)
229     function _getWordCloud($num, &$min, &$max) {  argument
254         return $this->_sortCloud($cloud, $num, $min, $max);
275     function _getTagCloud($num, &$min, &$max, $namespaces, helper_plugin_tag $tag) {  argument
280         return $this->_sortCloud($cloud, $num, $min, $max);
286     function _sortCloud($cloud, $num, &$min, &$max) {  argument
293         $min = end($cloud[0]);