protected function filterArguments(array $arguments)
{
if (count($arguments) === 1) {
return $arguments;
}
$query = array($arguments[0]);
$sortParams = array_change_key_case($arguments[1], CASE_UPPER);
if (isset($sortParams['BY'])) {
$query[] = 'BY';
$query[] = $sortParams['BY'];
}
if (isset($sortParams['GET'])) {
$getargs = $sortParams['GET'];
if (is_array($getargs)) {
foreach ($getargs as $getarg) {
$query[] = 'GET';
$query[] = $getarg;
}
} else {
$query[] = 'GET';
$query[] = $getargs;
}
}
if (isset($sortParams['LIMIT']) && is_array($sortParams['LIMIT']) && count($sortParams['LIMIT']) == 2) {
$query[] = 'LIMIT';
$query[] = $sortParams['LIMIT'][0];
$query[] = $sortParams['LIMIT'][1];
}
if (isset($sortParams['SORT'])) {
$query[] = strtoupper($sortParams['SORT']);
}
if (isset($sortParams['ALPHA']) && $sortParams['ALPHA'] == true) {
$query[] = 'ALPHA';
}
if (isset($sortParams['STORE'])) {
$query[] = 'STORE';
$query[] = $sortParams['STORE'];
}
return $query;
}