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<?php
/*

DESCRIPTION:
------------
Find out if there are resources where the ID of the current resource 
can be found inside TV with comma separeated values. 

Usefull for teaching getResources a new trick.

USAGE:
---------
[[!ppb_inArray? &id=`[[*id]]` &parents=`612` &tvId=`107` &ph=`neubauIds`]]

PARAMETERS:
-----------
&id = id of a resource
&parents = one or more parent IDs seperated by a comma.
&tvID = the id of the id containing the values.
&ph = the name of a plceholder that can be inserted into getResourcesto process the results.

[[!getResources?
  &parents=`-1` 
  &resources=`[[+results]]`
...
]]
*/

<?php
$msg = array();
    $kontextlinks = array();
    
    $tvId   = !empty($tvId) ? $tvId : 107;
    $id     = !empty($id) ? $id : false; 
    $parent = !empty($parent) ? $parent : false;
    $ph     = !empty($ph) ? $ph : 'ph';
    
    if(!$parents OR !$id) return;
    
    $parents = explode(',',$parents);
    
    $childIds = array();
    
    foreach($parents as $parent){
        $childIds = array_merge($childIds, $modx->getChildIds($parent));
    }
    
    //return print_r($childIds,true);
    
    $tv = $modx->getObject('modTemplateVar', $tvId);
    
    if ($tv) {
        foreach ($childIds as $childId) {
            
            $renderedValue = $tv->renderOutput($childId);
            
            $msg['childId_'.$childId] = $renderedValue;
            
            $values = explode(',' , $renderedValue);
            
            if(in_array($id,$values)){
                $kontext[] = $childId;
            }
            
        }
    } else {
        $msg['error'] = "TV not found";
    }
    
    $kontext = implode(',' , $kontext);
    
    $modx->setPlaceholder($ph,$kontext);
    
    return;
    
    return $kontext;
    
    //return "<pre>".print_r($msg,true)."</pre>";