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<?php
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// $Id: droplets.php 1028 2009-07-03 12:00:42Z ruud $
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/*
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* @version 1.0
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* @author Ruud Eisinga (Ruud) John (PCWacht)
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* @date June 2009
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*
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* droplets are small codeblocks that are called from anywhere in the template.
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* To call a droplet just use [[dropletname]]. optional parameters for a droplet can be used like [[dropletname?parameter=value¶meter2=value]]
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*/
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function evalDroplets ($wb_page_data) {
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global $database;
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$parameter = array();
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preg_match_all('~\[\[(.*?)\]\]~', $wb_page_data, $matches);
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foreach ($matches[1] as $match) {
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if (strpos($match,"?")) {
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list ($droplet,$params) = explode("?",$match);
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if(!empty($params)) {
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$params = html_entity_decode($params,ENT_COMPAT,DEFAULT_CHARSET); // make sure we can parse the parameters correctly
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$paramarray = explode("&",$params); //create array of parms as parm=value
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foreach ($paramarray as $paramelement) {
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$parameterTemp = explode("=", $paramelement,2);
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if (count($parameterTemp) == 2)
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$parameter[$parameterTemp[0]] = htmlentities($parameterTemp[1],ENT_COMPAT,DEFAULT_CHARSET); //re-encode the parameter values
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else
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$parameter['parm'] = htmlentities($parameterTemp[0],ENT_COMPAT,DEFAULT_CHARSET);
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}
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}
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} else {
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$droplet = $match;
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$parameter = "";
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}
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$query_content = $database->query("SELECT * FROM ".TABLE_PREFIX."mod_droplets WHERE name = '$droplet' AND active = 1 ");
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if ($query_content && $query_content->numRows() > 0){
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$fetch_content = $query_content->fetchRow();
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$codedata = ($fetch_content['code']);
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if(is_array($parameter)) extract($parameter, EXTR_SKIP);
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$newvalue = eval($codedata);
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if ($newvalue == "" && !$newvalue === true)
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$newvalue = "<font color=\"red\">Error in: $match, no correct returnvalue.</font>";
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if ($newvalue === true)
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$newvalue = "";
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$wb_page_data = str_replace("[[".$match."]]", $newvalue, $wb_page_data);
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}
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}
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return $wb_page_data;
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}
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?>
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