function &process(&$input)
{
switch ($this->getFilterMode()) {
case PERSON_STRING_FILTER_MULTIPLE:
return $this->_parsePersonsString($input, $this->_filterTitle, $this->_filterDegrees);
case PERSON_STRING_FILTER_SINGLE:
return $this->_parsePersonString($input, $this->_filterTitle, $this->_filterDegrees);
default:
assert(false);
}
}