How would you do this task?

<?php
if(isset($dogid)) { 
     switch ($dogid)
          case 1000:
               output = 'Marleys pups';
          break;
}else{
$sql="SELECT sireim.filelocation AS sireim_filelocation,
sireim.description AS sireim_desc,
sireim.width AS sireim_width,
sireim.height AS sireim_height,
damim.filelocation AS damim_filelocation,
damim.description AS damim_desc,
damim.width AS damim_width,
damim.height AS damim_height,
tbreeding.dow,
tbreeding.rd,
tbreeding.no_male_puppies,
tbreeding.no_female_puppies,
tbreeding.male_available,
tbreeding.female_available,
sire.callname AS sire_callname,
dam.callname AS dam_callname,
sire.regname AS sire_regname,
dam.regname AS dam_regname
FROM `tblbreeding` tbreeding
LEFT JOIN `tbldogs` sire ON sire.dog_id = tbreeding.sireFK
LEFT JOIN `tbldogs` dam ON dam.dog_id = tbreeding.damFK
LEFT JOIN `tblimages` sireim ON sireim.dogFK = sire.dog_id AND sireim.use_pict = 'Y'
LEFT JOIN `tblimages` damim ON damim.dogFK = dam.dog_id AND damim.use_pict = 'Y'
WHERE breedFK = '87'
LIMIT 0 , 1000";
$rs=$modx->db->query($sql);
$resultArray = $modx->db->makeArray($rs);

//var_dump($resultArray);//for debugging

if (count($resultArray)>0){
    $output = '';
     foreach($resultArray as $item){
           //print_r($item);//for debugging
           $params['Sire_callname']=$item['sire_callname'];
           $params['imsire_file location']=$item['sireim_filelocation'];
           $params['salt text']=$item['sireim_desc'];
           $params['swidth']=$item['sireim_width'];
           $params['shieght']=$item['sireim_height'];
           $params['Dam_callname']=$item['dam_callname'];
           $params['imdam_filelocation']=$item['damim_filelocation'];
           $params['dalt text']=$item['damim_desc'];
           $params['dwidth']=$item['damim_width'];
           $params['dhiehgt']=$item['damim_height'];
           $params['Sire_regname']=$item['sire_regname'];
           $params['Dam_regname']=$item['dam_regname'];
           $params['Whelping date']=$item['dow'];
           $params['Release date']=$item['rd'];
           $params['Num male']=$item['no_male_puppies'];
           $params['Num female']=$item['no_female_puppies'];
           $params['Available males']=$item['male_available'];
           $params['Available females']=$item['female_available'];
           $output.=$modx->parseChunk('Golden Litters', $params, '[+', '+]');	
     }	
	
}
}
return $output;

<?php
function your_query($breed_key)   {
  if (!is_int($breed_key)) {
   exit;  // thou shalt validate your user supply data...
  }
  $sql = "SELECT .... WHERE breedFK = '$breed_key';

... 
return records...

}


?>

$dogId=$_REQUEST($dogid);
print_r($dogId);
if(isset($dogId)) { 
     switch ($dogId)
     {
          case 1000:
               $output = 'Marleys pups';
               return $output;
          break;
     }
}

Fatal error: Function name must be a string in /home/chry7248/public_html/modx/manager/includes/document.parser.class.inc.php(770) : eval()'d code on line 2

<?php

// YourSnippet

print $my_variable;  // case matters!  It's not $MY_Variable or $mY_Variable -- it must agree w your Snippet parameters
?>