<?php
 
  $current_lang = $modx->runSnippet('lang',array('long'=>1)); 
  $date = date(M).'. '.date(d).', '.date(Y);
  $hour = 'UK '.date(h).':'.date(i).' '.date(A);
 
  $logged = FALSE;
 
  if($logged = TRUE){
    $show = $modx->getChunk('top_logged_in',array('aaa'=>'test 1'));
  }else{
    $show = $modx->getChunk('top_block_login',array('aaa'=>'test 2'));
  }
 
  $data = array(
    'current_lang'=>$current_lang,
    'date'=>$date,
    'hour'=>$hour,
    'show'=>$show
  ); 
  $output = $modx->getChunk('top_block',$data);
  return $output;