invoiceninja/app/Models/PaymentType.php

<?php

namespace App\Models;

use Eloquent;

/**
 * Class PaymentType.
 */
class PaymentType extends Eloquent
{
    /**
     * @var bool
     */
    public $timestamps = false;

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function gatewayType()
    {
        return $this->belongsTo('App\Models\GatewayType');
    }

    public static function parseCardType($cardName)
    {
        $cardTypes = [
            'visa' => PAYMENT_TYPE_VISA,
            'americanexpress' => PAYMENT_TYPE_AMERICAN_EXPRESS,
            'amex' => PAYMENT_TYPE_AMERICAN_EXPRESS,
            'mastercard' => PAYMENT_TYPE_MASTERCARD,
            'discover' => PAYMENT_TYPE_DISCOVER,
            'jcb' => PAYMENT_TYPE_JCB,
            'dinersclub' => PAYMENT_TYPE_DINERS,
            'carteblanche' => PAYMENT_TYPE_CARTE_BLANCHE,
            'chinaunionpay' => PAYMENT_TYPE_UNIONPAY,
            'unionpay' => PAYMENT_TYPE_UNIONPAY,
            'laser' => PAYMENT_TYPE_LASER,
            'maestro' => PAYMENT_TYPE_MAESTRO,
            'solo' => PAYMENT_TYPE_SOLO,
            'switch' => PAYMENT_TYPE_SWITCH,
        ];

        $cardName = strtolower(str_replace([' ', '-', '_'], '', $cardName));

        if (empty($cardTypes[$cardName]) && 1 == preg_match('/^('.implode('|', array_keys($cardTypes)).')/', $cardName, $matches)) {
            // Some gateways return extra stuff after the card name
            $cardName = $matches[1];
        }

        if (! empty($cardTypes[$cardName])) {
            return $cardTypes[$cardName];
        } else {
            return PAYMENT_TYPE_CREDIT_CARD_OTHER;
        }
    }
}