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<?php
/**
* Elgg tags
* Displays a list of tags, separated by commas
*
* Tags can be a single string (for one tag) or an array of strings
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd
* @link http://elgg.org/
*
* @uses $vars['tags'] The tags to display
* @uses $vars['tagtype'] The tagtype, optionally
*/
if (!empty($vars['subtype'])) {
$subtype = "&subtype=" . urlencode($vars['subtype']);
} else {
$subtype = "";
}
if (!empty($vars['object'])) {
$object = "&object=" . urlencode($vars['object']);
} else {
$object = "";
}
if (empty($vars['tags']) && !empty($vars['value'])) {
$vars['tags'] = $vars['value'];
}
$tag_names_str = '';
if (isset($vars['tag_names'])) {
if (is_array($vars['tag_names'])) {
foreach ($vars['tag_names'] as $tag_name) {
$tag_names_str .= "&tag_names[]=$tag_name";
}
} else {
$tag_names_str = "&tag_names={$vars['tag_names']}";
}
}
if (!empty($vars['tags'])) {
$tagstr = "";
if (!is_array($vars['tags'])) {
$vars['tags'] = array($vars['tags']);
}
foreach($vars['tags'] as $tag) {
if (!empty($tagstr)) {
$tagstr .= ", ";
}
if (!empty($vars['type'])) {
$type = "&type={$vars['type']}";
} else {
$type = "";
}
if (is_string($tag)) {
$tagstr .= "<a rel=\"tag\" href=\"{$vars['url']}pg/search/?q=".urlencode($tag) . "&search_type=tags{$type}{$subtype}{$object}{$tag_names_str}\">" . htmlentities($tag, ENT_QUOTES, 'UTF-8') . "</a>";
}
}
echo $tagstr;
}
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