Modx IncludePage Snippet

/*
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 Snippet name: IncudePage
 Short Desc: Include a MODx page content
 Version: 2.0
 Author: James (james@mercstudio.com) - original idea from Daniel Gibbs (danielgibbs.net)
 Date: 30th September 2012
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Example Usage:
    [[IncludePage? &pageID=`12`]]
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*/

if (!isset ($pageID))  {
    return "<p>Error: No page ID specified, can't include content...</p>";
}
else {
  $oRes = $modx->getObject("modResource", $pageID);
  return $oRes->get("content");
}