MODX Output Modifier for Serving an Alternate Chunk

devChunk

<?php
/** devChunk MODX Output Modifier **
** 
** Returns an alternate chunk to users in the groups defined below
** Usage [[$livechunk:devChunk=`alternatechunk`]]
**
**/

$user = $modx->getUser();
$restricted = true;
if($user) {
//set restricted user groups
    $restricted = (!$user->isMember(array('Administrator','Manager')));
}
if($restricted || !$options || empty($options)){
    return $input;
}else{
    $dev = $modx->getChunk($options);
    return $dev;
}

return '';