campus id to name

test.php

//Charlie's function:

/**
 * Return the campus name for a given ID.
 */
function jnet5_campus_name_by_pbid($campus_id) {
  $campuses = _jnet_purl_campuses();
  foreach ($campuses as $campus) {
    if ($campus['pb_id'] == $campus_id) {
      $campus_name = $campus['label'];
    }
  }
  if (isset($campus_name)) {
    return $campus_name;
  } else {
    return FALSE;
  }
}


//How he called it in the TPL:

$campus_id = field_get_items('node', $node, 'field_campus_id');
$campus_name = ($campus_id) ? jnet5_campus_name_by_pbid($campus_id[0]['value']) : FALSE;


//How i'm trying to call it from the custom php field:

<?php 
$campus_id = $row->field_campus_id;
$campus_name = jnet5_campus_name_by_pbid($campus_id);
print $campus_name; 
?>