function mu_tag_cloud($custom = "")
{
global $wpdb, $table_prefix, $Mu_tags;
$defaults = array('maxsize' => $Mu_tags->TagOpt['tag_max_size'], 'minsize' => $Mu_tags->TagOpt['tag_min_size'], 'mincolor' => $Mu_tags->TagOpt['tag_min_color'], 'maxcolor' => $Mu_tags->TagOpt['tag_max_color'], 'limit' => $Mu_tags->TagOpt['limit_tags'], 'exclude' => $Mu_tags->TagOpt['exclude'], 'bexclude' => $Mu_tags->TagOpt['bexclude'], 'cssclass' => $Mu_tags->TagOpt['css_class'], 'orderby' => $Mu_tags->TagOpt['tag_sort_format'], 'daysback' => $Mu_tags->TagOpt['daysback'], 'includecats' => $Mu_tags->TagOpt['include_cats']);
extract($defaults);
//If custom values are found use them insead
if (is_array($custom)) {
extract($custom);
$customvals = true;
} else {
$customvals = false;
}
$notagsmsg = '<ul><li>No tags found...</li></ul>';
$tag_list = $Mu_tags->get_global_tags($values = array('limit' => $limit, 'exclude' => $exclude, 'bexclude' => $bexclude, 'orderby' => $orderby, 'daysback' => $daysback, 'includecats' => $includecats), $customvals);
if ($tag_list) {
foreach ($tag_list as $tmp) {
$tags[$tmp->tag] = $tmp->cnnt;
}
// get the largest and smallest array values
$max_qty = max(array_values($tags));
$min_qty = min(array_values($tags));
// find the range of values
$spread = $max_qty - $min_qty;
if (0 == $spread) {
// we don't want to divide by zero
$spread = 1;
}
// determine the font-size increment
// this is the increase per tag quantity (times used)
$step = ($maxsize - $minsize) / $spread;
// loop through our tag array
foreach ($tag_list as $tag) {
$link = $tag->category_nicename;
$key = $tag->tag;
$value = $tag->cnnt;
// calculate CSS font-size
// find the $value in excess of $min_qty
// multiply by the font-size increment ($size)
// and add the $min_size set above
$size = $minsize + ($value - $min_qty) * $step;
// uncomment if you want sizes in whole %:
//$size = ceil($size);
$color_weight = round(99 * ($size - $minsize) / ($maxsize - $minsize) + 1);
echo '<a href="/' . $Mu_tags->TagOpt['tag_base'] . '/' . $link . '" class="' . $cssclass . '" style="font-size: ' . $size . '' . $Mu_tags->TagOpt['tag_size_format'] . '; color: ' . ColorWeight($color_weight, $mincolor, $maxcolor) . ';"';
echo ' title="' . linktitle($key, $value) . '"';
echo '>' . $key . '</a> ';
}
} else {
echo $notagsmsg;
}
}
/**
* Generate Tag Cloud - function to create the links for the cloud based on the args from the tw() function
*
* $tagscats = prefetched tag array (get_tags() & get_categories())
* $args['format'] = 'flat' => whitespace separated, 'list' => UL, 'array' => array()
* $args['orderby'] = 'name', 'count', 'rand'
*/
function generate_tag_cloud($tagscats, $args = '')
{
global $wp_rewrite;
$defaults = array('title' => 'Tags', 'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => '', 'minnum' => 0, 'maxnum' => 100, 'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC', 'exclude' => '', 'include' => '', 'mincolor' => '', 'maxcolor' => '', 'showcount' => 'no', 'showtags' => 'yes', 'showcats' => 'no', 'empty' => 'no', 'widget' => 'yes');
$widget = $defaults['widget'];
if ('yes' == $widget) {
$options = get_option('widget_tw');
} else {
$options = get_option('template_tw');
}
$args = wp_parse_args($args, $options, $defaults);
extract($args);
if (!$tagscats) {
return;
}
$counts = $tag_links = array();
if ($orderby == 'rand') {
shuffle($tagscats);
}
foreach ((array) $tagscats as $tag) {
$counts[$tag->name] = $tag->count;
$cat = $tag->taxonomy;
if ('category' == $cat) {
$tag_links[$tag->name] = get_category_link($tag->term_id);
} else {
$tag_links[$tag->name] = get_tag_link($tag->term_id);
}
if (is_wp_error($tag_links[$tag->name])) {
return $tag_links[$tag->name];
}
$tag_ids[$tag->name] = $tag->term_id;
}
$min_count = min($counts);
$spread = max($counts) - $min_count;
if ($spread <= 0) {
$spread = 1;
}
$font_spread = $largest - $smallest;
if ($font_spread <= 0) {
$font_spread = 1;
}
$font_step = $font_spread / $spread;
// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
if ($orderby == 'name') {
uksort($counts, 'strnatcasecmp');
} else {
if ('count' == $orderby) {
asort($counts);
}
}
if ($order == 'DESC') {
$counts = array_reverse($counts, true);
}
$a = array();
$rel = is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ? ' rel="tag"' : '';
foreach ($counts as $tag => $count) {
if ($largest == $smallest) {
$tag_weight = $largest;
} else {
$tag_weight = $smallest + ($count - $min_count) * $font_step;
}
$diff = $largest - $smallest;
if ($diff <= 0) {
$diff = 1;
}
if ($showcount == 'yes') {
$postcount = '(' . $count . ')';
}
$color_weight = round(99 * ($tag_weight - $smallest) / $diff + 1);
$tag_color = ColorWeight($color_weight, $mincolor, $maxcolor);
$tag_id = $tag_ids[$tag];
$tag_link = clean_url($tag_links[$tag]);
$tag = wp_specialchars($tag);
if ($format == 'list') {
$a[] = "<li><a href=\"{$tag_link}\" title=\"" . attribute_escape(sprintf(__('%d topics'), $count)) . "\"{$rel}\n\t\t\t\t\t\t\tstyle=\"font-size: " . $tag_weight . "{$unit};" . (isset($tag_color) ? " color: {$tag_color};" : "") . "\">{$tag}</a>" . ('yes' == $showcount ? " {$postcount}" : "") . "</li>";
} else {
if ($format == 'drop') {
$a[] = "<option value='{$tag_link}'>{$tag}" . ('yes' == $showcount ? " {$postcount}" : "") . "</option>";
} else {
$a[] = "<a href=\"{$tag_link}\" class=\"tw-tag tag-link-{$tag_id}\" title=\"" . attribute_escape(sprintf(__('%d topics'), $count)) . "\"{$rel} style=\"font-size: " . $tag_weight . "{$unit};" . (isset($tag_color) ? " color: {$tag_color};" : "") . "\">{$tag}" . "</a>" . ('yes' == $showcount ? " {$postcount}" : "");
}
}
}
switch ($format) {
case 'array':
$return =& $a;
break;
case 'list':
$return = '<ul class="tw-tag-cloud">';
$return .= join("\n\t", $a);
$return .= '</ul>';
break;
case 'drop':
$return = '<select name="tw-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">' . '<option value="">Select Tag</option>' . join("\n\t", $a) . '</option>' . '</select>';
break;
default:
$return = join("\n", $a);
break;
}
return apply_filters('generate_tag_cloud', $return, $tagscats, $args);
}