Completed';
} elseif ($response_transaction_checker['response'][0]['transaction_status'] == 'pending') {
echo 'Pending';
} elseif ($response_transaction_checker['response'][0]['transaction_status'] == 'failed') {
echo 'Failed';
} elseif ($response_transaction_checker['response'][0]['transaction_status'] == 'refunded') {
echo 'Refunded';
} else {
echo 'Unknown';
}
?>