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<?php
/*
  mh.parseMIGXToGallery (snippet used with migx)
  by Marc Hamstra
  source: https://www.markhamstra.com/modx-blog/2012/04/managing-galleries-with-migx/
  [[mh.parseMIGXToGallery? 
      &tpl=`mh.images.gallery.tpl` 
    &input=`[[*mh.images]]` 
      &set=`name of the set`
  ]]
*/

$input = $modx->fromJSON($input);
$output = array();
if (!$input || empty($tpl)) return 'no stuff';
foreach ($input as $row) {
  if (isset($set) && !empty($set) && ($set != $row['set'])) continue;
  $output[] = $modx->getChunk($tpl, $row);
}
return implode("\n", $output);