Конструктор (Builder) сложных страниц для MODX Revo

$modx->setPlaceholder($plhName, $plhValue);

$modx->resource->pagetitle;
$modx->resource->content;

$modx->resource->getTVValue($tvName);

if($modx->event->name == 'OnLoadWebDocument') {

    if(!function_exists('setPlaceHolderToContentBlocks')) {
        function setPlaceHolderToContentBlocks($plName, $tvName, $tplRow, $tplOuter) {
            global $modx;
            
            $tv = $modx->resource->getTVValue($tvName);         
                       
            if($tv) {
                $pdo = $modx->getService('pdoTools');
                
                $tv = $modx->fromJSON($tv);  

                foreach($tv as $props) {
                    $rows[] = $pdo->getChunk($tplRow, $props); 
                }
                
                $rows = implode("\r\n", $rows);  
                $props = array();
                $props['output'] = $rows;
                
                $output = $pdo->getChunk($tplOuter, $props); 
                
                $modx->setPlaceholder($plName, $output);
            }
            
            return true;
        }  
    }
    
    setPlaceHolderToContentBlocks('stages', 'block_stages', 'block_stages_row', 'block_stages_outer');
    setPlaceHolderToContentBlocks('equip', 'block_equip', 'block_equip_row', 'block_equip_outer');    
    setPlaceHolderToContentBlocks('specif', 'block_specif', 'block_specif_row', 'block_specif_outer');    
    setPlaceHolderToContentBlocks('use', 'block_use', 'block_use_row', 'block_use_outer');
    setPlaceHolderToContentBlocks('advant', 'block_advant', 'block_advant_row', 'block_advant_outer');
    setPlaceHolderToContentBlocks('docs', 'block_docs', 'block_docs_row', 'block_docs_outer');
}