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path: root/mod/tagcloud/views/default/output/tagcloud.php
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<?php

	/**
	 * Elgg tagcloud
	 * Displays a tagcloud
	 */
    
	if (!empty($vars['subtype'])) {
		$subtype = "&subtype=" . urlencode($vars['subtype']);
	} else {
		$subtype = "";
	}
	if (!empty($vars['object'])) {
		$object = "&object=" . urlencode($vars['object']);
	} else {
		$object = "";
	}
	
	if (empty($vars['tagcloud']) && !empty($vars['value']))
		$vars['tagcloud'] = $vars['value'];

	if (!empty($vars['tagcloud']) && is_array($vars['tagcloud'])) {

		if (get_context() === 'random')
			shuffle($vars['tagcloud']);
	
		$counter = 0;
		$cloud = "";
		$max = 0;
		foreach($vars['tagcloud'] as $tag) {
			if ($tag->total > $max) {
				$max = $tag->total;
			}
		}
		foreach($vars['tagcloud'] as $tag) {
			if (!empty($cloud)) $cloud .= ",";
			$size = round((log($tag->total) / log($max)) * 100) + 80;
			if ($size < 100) $size = 100;
			$cloud .= "<a href=\"" . $vars['url'] . "search/?tag=". urlencode($tag->tag) . $object . $subtype . "\" style=\"font-size: {$size}%\" title=\"".addslashes($tag->tag)." ({$tag->total})\" style=\"text-decoration:none;\">" . htmlentities($tag->tag, ENT_QUOTES, 'UTF-8') . "</a>";
		}
		$tags = explode(',', $cloud);
		asort($tags);
		$tags = implode(',', $tags);
		echo str_replace(",", " ", $tags);
	}

?>