// grab array with matches
$param_keys = $param_keys[1];
// loop trough parameter names, store matching value in $params array
foreach ($param_keys as $key) {
if (isset($params[$key])) {
// grab array with matches
$param_keys = $param_keys[1];
// loop trough parameter names, store matching value in $params array
foreach ($param_keys as $key) {
if (isset($params[$key])) {