/**
* Return all possible code fields with the values filled for those that exist for this track,
* optionally with a prefix
*
* @return array [prefix]code => value
*/
public function getCodeFields()
{
$codes = $this->tracker->getAllCodeFields();
$results = array_fill_keys($codes, null);
$this->_ensureFieldData();
if ($this->_fieldData) {
foreach ($this->_fieldData as $id => $value) {
if (isset($codes[$id])) {
$results[$codes[$id]] = $value;
}
}
}
return $results;
}