protected function implodeArray(array $array)
{
$results = [];
foreach ($array as $key => $value) {
if (is_string($key)) {
$results[] = "'" . $key . "' => '" . $value . "'";
} else {
$results[] = "'" . $value . "'";
}
}
return count($results) > 0 ? implode(', ', $results) : '';
}