public function __invoke($identityArray)
{
lineOut(__METHOD__);
lineOut($identityArray);
$identityArray = removeEmptyStringAndNullKeyAndValues($identityArray);
lineOut("after useless removed");
lineOut($identityArray);
$this->outPorts['out']->send($identityArray);
$this->outPorts['out']->disconnect();
}
/**
* [ ] removeEmptyStringAndNullKeys
* [ ] removeEmptyStringAndNullValues
*
* @param array &$array
* @return array
*/
public static function removeEmptyStringAndNullKeyAndValues(&$array = array())
{
// one piece, remove empties
foreach ($array as $key => $value) {
if (is_array($value)) {
$array[$key] = removeEmptyStringAndNullKeyAndValues($value);
}
if ("" === $key || null === $key) {
unset($array[$key]);
}
if ("" === $value || null === $value) {
unset($array[$key]);
}
}
return $array;
}
