new pisilinux web sites

Internal/package-payment/Currency.php

@@ -0,0 +1,205 @@
+<?php namespace ZN\Payment;
+
+class Currency
+{
+    /**
+     * Currency short code list.
+     * 
+     * @var array
+     */
+    protected static $list = 
+    [
+        'USN' => 997,
+        'XSU' => 994,
+        'CLF' => 990,
+        'BRL' => 986,
+        'PLN' => 985,
+        'BOV' => 984,
+        'GEL' => 981,
+        'UAH' => 980,
+        'MXV' => 979,
+        'EUR' => 978,
+        'BAM' => 977,
+        'CDF' => 976,
+        'BGN' => 975,
+        'BYR' => 974,
+        'AOA' => 973,
+        'TJS' => 972,
+        'AFN' => 971,
+        'COU' => 970,
+        'MGA' => 969,
+        'SRD' => 968,
+        'ZMW' => 967,
+        'XUA' => 965,
+        'XDR' => 960,
+        'XPF' => 953,
+        'XOF' => 952,
+        'XCD' => 951,
+        'XAF' => 950,
+        'TRY' => 949,
+        'CHW' => 948,
+        'CHE' => 947,
+        'RON' => 946,
+        'AZN' => 944,
+        'MZN' => 943,
+        'RSD' => 941,
+        'UYI' => 940,
+        'SDG' => 938,
+        'VEF' => 937,
+        'GHS' => 936,
+        'TMT' => 934,
+        'ZWL' => 932,
+        'CUC' => 931,
+        'TWD' => 901,
+        'YER' => 886,
+        'WST' => 882,
+        'UZS' => 860,
+        'UYU' => 858,
+        'USD' => 840,
+        'TZS' => 834,
+        'GBP' => 826,
+        'EGP' => 818,
+        'MKD' => 807,
+        'UGX' => 800,
+        'TND' => 788,
+        'AED' => 784,
+        'TTD' => 780,
+        'TOP' => 776,
+        'THB' => 764,
+        'SYP' => 760,
+        'CHF' => 756,
+        'SEK' => 752,
+        'SZL' => 748,
+        'SSP' => 728,
+        'ZAR' => 710,
+        'SOS' => 706,
+        'VND' => 704,
+        'SGD' => 702,
+        'SLL' => 694,
+        'SCR' => 690,
+        'SAR' => 682,
+        'STN' => 678,
+        'SHP' => 654,
+        'RWF' => 646,
+        'RUB' => 643,
+        'QAR' => 634,
+        'PHP' => 608,
+        'PEN' => 604,
+        'PYG' => 600,
+        'PGK' => 598,
+        'PAB' => 590,
+        'PKR' => 586,
+        'NOK' => 578,
+        'NGN' => 566,
+        'NIO' => 558,
+        'NZD' => 554,
+        'VUV' => 548,
+        'AWG' => 533,
+        'ANG' => 532,
+        'NPR' => 524,
+        'NAD' => 516,
+        'OMR' => 512,
+        'MAD' => 504,
+        'MDL' => 498,
+        'MNT' => 496,
+        'MXN' => 484,
+        'MUR' => 480,
+        'MRU' => 478,
+        'MVR' => 462,
+        'MYR' => 458,
+        'MWK' => 454,
+        'MOP' => 446,
+        'LYD' => 434,
+        'LRD' => 430,
+        'LSL' => 426,
+        'LBP' => 422,
+        'LAK' => 418,
+        'KGS' => 417,
+        'KWD' => 414,
+        'KRW' => 410,
+        'KPW' => 408,
+        'KES' => 404,
+        'JOD' => 400,
+        'KZT' => 398,
+        'JPY' => 392,
+        'JMD' => 388,
+        'ILS' => 376,
+        'IQD' => 368,
+        'IRR' => 364,
+        'IDR' => 360,
+        'INR' => 356,
+        'ISK' => 352,
+        'HUF' => 348,
+        'HKD' => 344,
+        'HNL' => 340,
+        'HTG' => 332,
+        'GYD' => 328,
+        'GNF' => 324,
+        'GTQ' => 320,
+        'GIP' => 292,
+        'GMD' => 270,
+        'DJF' => 262,
+        'FJD' => 242,
+        'FKP' => 238,
+        'ERN' => 232,
+        'ETB' => 230,
+        'SVC' => 222,
+        'DOP' => 214,
+        'DKK' => 208,
+        'CZK' => 203,
+        'CUP' => 192,
+        'HRK' => 191,
+        'CRC' => 188,
+        'KMF' => 174,
+        'COP' => 170,
+        'CNY' => 156,
+        'CLP' => 152,
+        'LKR' => 144,
+        'KYD' => 136,
+        'CVE' => 132,
+        'CAD' => 124,
+        'KHR' => 116,
+        'BIF' => 108,
+        'MMK' => 104,
+        'BND' => 96,
+        'SBD' => 90,
+        'BZD' => 84,
+        'BWP' => 72,
+        'BOB' => 68,
+        'BTN' => 64,
+        'BMD' => 60,
+        'BBD' => 52,
+        'AMD' => 51,
+        'BDT' => 50,
+        'BHD' => 48,
+        'BSD' => 44,
+        'AUD' => 36,
+        'ARS' => 32,
+        'DZD' => 12,
+        'ALL' => 8  
+    ];
+
+    /**
+     * Get currency
+     * 
+     * @param string|int $short
+     * @param string     &key = NULL
+     * 
+     * @return 
+     */
+    public static function get($short, &$code = NULL)
+    {
+        if( is_numeric($short) && in_array($short, self::$list) )
+        {
+            $code = array_flip(self::$list)[$short];
+
+            return $short;
+        }
+        elseif( $currency = (self::$list[$code = strtoupper($short)] ?? NULL) )
+        {
+            return $currency;
+        }
+
+        throw new Exception\InvalidCurrencyInformationException(NULL, $short);
+    }
+}

Internal/package-payment/Exception/InvalidBankException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class InvalidBankException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi geçerli bir banka değildir!', 
+        'en' => '[%] information is not a valid bank!'
+    ];
+}

Internal/package-payment/Exception/InvalidCardTypeException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class InvalidCardTypeException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi geçerli bir kart türü değildir! Kullanılabilir Seçenekler:[visa, mastercard]', 
+        'en' => '[%] information is not a valid card type! Available Options[visa, mastercard]'
+    ];
+}

Internal/package-payment/Exception/InvalidCommandException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class InvalidCommandException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi geçerli bir komut değildir!', 
+        'en' => '[%] information is not a valid command!'
+    ];
+}

Internal/package-payment/Exception/InvalidCurrencyInformationException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class InvalidCurrencyInformationException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi geçersiz para birimidir!', 
+        'en' => '[%] information is invalid currency code!'
+    ];
+}

Internal/package-payment/Exception/InvalidSendTypeException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class InvalidSendTypeException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi geçerli bir tür değildir!', 
+        'en' => '[%] information is not a valid type!'
+    ];
+}

Internal/package-payment/Exception/MissingInformationException.php

@@ -0,0 +1,21 @@
+<?php namespace ZN\Payment\Exception;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Exception;
+
+class MissingInformationException extends Exception
+{
+    const lang = 
+    [
+        'tr' => '[%] bilgisi eksik!', 
+        'en' => '[%] information is missing!'
+    ];
+}

Internal/package-payment/Gateway.php

@@ -0,0 +1,38 @@
+<?php namespace ZN\Payment;
+
+use ZN\Singleton;
+
+class Gateway
+{
+    /**
+     * Get gateway request class
+     * 
+     * @param string $gateway
+     * 
+     * @return object
+     */
+    public static function request(string $gateway)
+    {
+        return Singleton::class(self::getClassName($gateway, 'Request'));
+    }
+
+    /**
+     * Get gateway reponse class
+     * 
+     * @param string $gateway
+     * 
+     * @return object
+     */
+    public static function response(string $gateway)
+    {
+        return Singleton::class(self::getClassName($gateway, 'Response'));
+    }
+
+    /**
+     * Protected get class name
+     */
+    protected static function getClassName($gateway, $type)
+    {
+        return 'ZN\Payment\\' . $gateway . '\\' . $type;
+    }
+}

Internal/package-payment/GatewayFacade.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+class Gateway
+{
+    use ZN\Ability\Facade;
+
+    const target = 'ZN\Payment\Gateway';
+}

Internal/package-payment/GatewayRequestAbstract.php

@@ -0,0 +1,73 @@
+<?php namespace ZN\Payment;
+
+use ZN\Singleton;
+use ZN\DateTime\Date;
+
+abstract class GatewayRequestAbstract
+{
+    /**
+     * Protected settings
+     * 
+     * @var array
+     */
+    protected $settings = [];
+
+    /**
+     * Magic call
+     * 
+     * @param string $method
+     * @param array  $parameters
+     * 
+     * @return $this
+     */
+    public function __call($method, $parameters)
+    {
+        if( isset($parameters[0]) )
+        {
+            $this->settings[$method] = $parameters[0];
+        }
+    
+        return $this;
+    }
+
+    /**
+     * Send request.
+     * 
+     * @param string $type;
+     */
+    abstract public function send(string $type);
+
+    /**
+     * Protected signature encoder
+     */
+    protected function signatureEncoder($signature)
+    {
+        return base64_encode(pack('H*', sha1($signature)));
+    }
+
+    /**
+     * Protected missing information
+     */
+    protected function missingInformation()
+    {
+        foreach( $this->required as $data => $value )
+        {
+            if( ! isset($this->settings[$data]) )
+            {
+                throw new Exception\MissingInformationException(NULL, $value);  
+            }
+        }
+    }
+
+    /**
+     * Protected year month converter
+     */
+    protected function yearAndMonthConverter(&$year, &$month)
+    {
+        $date   = new Date;
+        $date   = $date->convert($year . '-' . $month . '-01', '{sy}/{mn0}');
+        $dateEx = explode('/', $date);
+        $year   = $dateEx[0] ?? $year;
+        $month  = $dateEx[1] ?? $month;
+    }
+}

Internal/package-payment/Nestpay/Request.php

@@ -0,0 +1,287 @@
+<?php namespace ZN\Payment\Nestpay;
+
+use ZN\Request\URL;
+use ZN\Services\CURL;
+use ZN\Request\Method;
+use ZN\Payment\Currency;
+use ZN\Payment\Exception;
+use ZN\Payment\GatewayRequestAbstract;
+
+class Request extends GatewayRequestAbstract
+{
+    /**
+     * Protected banks
+     * 
+     * @var array
+     */
+    protected $banks = 
+    [
+        'isbank'        => 'https://spos.isbank.com.tr/servlet/est3Dgate',
+        'akbank'        => 'https://www.sanalakpos.com/servlet/est3Dgate',
+        'finansbank'    => 'https://www.fbwebpos.com/servlet/est3Dgate',
+        'halkbank'      => 'https://sanalpos.halkbank.com.tr/servlet/est3Dgate',
+        'anadolubank'   => 'https://anadolusanalpos.est.com.tr/servlet/est3Dgate',
+        'ziraatbank'    => 'https://sanalpos2.ziraatbank.com.tr/fim/est3Dgate',
+        'teb'           => 'https://sanalpos.teb.com.tr/fim/est3Dgate',
+        'test'          => 'https://entegrasyon.asseco-see.com.tr/fim/est3Dgate'
+    ];
+
+     /**
+     * Protected card types
+     * 
+     * @var array
+     */
+    protected $cardTypes = [1 => 1, 2 => 2, 'visa' => 1, 'mastercard' => 2];
+
+    /**
+     * Protected required
+     * 
+     * @var array
+     */
+    protected $required = 
+    [
+        'amount'   => 'Amount', 
+        'storeKey' => 'Store Key',
+        'clientid' => 'Client ID',
+        'okUrl'    => 'OK URL'
+    ];
+
+    /**
+     * Sets card number.
+     * 
+     * @param string $number
+     * @param string $month
+     * @param string $year
+     * @param string $cvc
+     * 
+     * @return $this
+     */
+    public function card(string $number, string $month, string $year, string $cvc)
+    {
+        $this->yearAndMonthConverter($year, $month);
+
+        $this->settings['pan'] = $number;
+        $this->settings['Ecom_Payment_Card_ExpDate_Year']  = $year;
+        $this->settings['Ecom_Payment_Card_ExpDate_Month'] = $month;
+        $this->settings['cv2'] = $cvc;
+
+        return $this;
+    }
+
+    /**
+     * Sets card type.
+     * 
+     * @param int|string $type
+     * 
+     * @return $this
+     */
+    public function cardType($type)
+    {
+        if( ! isset($this->cardTypes[$type]) )
+        {
+            throw new Exception\InvalidCardTypeException(NULL, $type);
+        }
+
+        $this->settings['cardType'] = $this->cardTypes[$type];
+
+        return $this;
+    }
+
+    /**
+     * Sets client id.
+     * 
+     * @param string $id
+     * 
+     * @return $this
+     */
+    public function clientId(string $id)
+    {
+        $this->settings['clientid'] = $id;
+
+        return $this;
+    }
+
+    /**
+     * Sets order id.
+     * 
+     * @param string $id
+     * 
+     * @return $this
+     */
+    public function orderId(string $id)
+    {
+        $this->settings['oid'] = $id;
+
+        return $this;
+    }
+
+    /**
+     * Sets amount.
+     * 
+     * @param string $amount
+     * 
+     * @return $this
+     */
+    public function amount(string $amount)
+    {
+        $this->settings['amount'] = $amount;
+
+        return $this;
+    }
+
+    /**
+     * Sets currency.
+     * 
+     * @param string|int $currency
+     * 
+     * @return $this
+     */
+    public function currency($currency)
+    {
+        $this->settings['currency'] = Currency::get($currency);
+
+        return $this;
+    }
+
+    /**
+     * Sets random key.
+     * 
+     * @param string $random
+     * 
+     * @return $this
+     */
+    public function randomKey(string $random)
+    {
+        $this->settings['rnd'] = $random;
+
+        return $this;
+    }
+
+    /**
+     * Sets return url.
+     * 
+     * @param string $success
+     * @param string $fail
+     * 
+     * @return $this
+     */
+    public function returnUrl(string $success, ?string $fail = NULL)
+    {
+        $this->settings['okUrl'] = URL::site($success);
+        $this->settings['failUrl'] = URL::site($fail ?? $success);
+
+        return $this;
+    }
+
+    /**
+     * Sets company name.
+     * 
+     * @param string $name
+     * 
+     * @return $this
+     */
+    public function companyName(string $name)
+    {
+        $this->settings['firmaadi'] = $name;
+
+        return $this;
+    }
+
+    /**
+     * Sets installment.
+     * 
+     * @param string $name
+     * 
+     * @return $this
+     */
+    public function installment(string $name)
+    {
+        $this->settings['taksit'] = $name;
+
+        return $this;
+    }
+
+    /**
+     * Sets process type.
+     * 
+     * @param string $type
+     * 
+     * @return $this
+     */
+    public function processType(string $type)
+    {
+        $this->settings['islemtipi'] = $type;
+
+        return $this;
+    }
+
+    /**
+     * Sets store key.
+     * 
+     * @param string $key
+     * 
+     * @return $this
+     */
+    public function storeKey(string $key)
+    {
+        $this->settings['storeKey'] = $key;
+
+        return $this;
+    }
+
+    /**
+     * Send request.
+     * 
+     * @param string $type;
+     */
+    public function send(string $type)
+    {
+        $this->missingInformation();
+        
+        $this->default();
+
+        if( ! isset($this->banks[$type]) )
+        {
+            throw new Exception\InvalidBankException(NULL, $type);
+        }
+
+        $curl = new CURL;
+
+        return $curl->init($this->banks[$type])
+                    ->post(true)
+                    ->postfields(URL::buildQuery($this->settings))
+                    ->returntransfer(true)
+                    ->sslVerifypeer(false)
+                    ->exec();
+    }
+
+    /**
+     * Protected signature
+     */
+    protected function signature()
+    {
+        $signature =     $this->settings['clientid']          .
+                        ($this->settings['oid']       ?? NULL).
+                         $this->settings['amount']            .
+                         $this->settings['okUrl']             .
+                         $this->settings['failUrl']           .
+                         $this->settings['islemtipi']         .
+                        ($this->settings['taksit']    ?? NULL).
+                         $this->settings['rnd']               .
+                         $this->settings['storeKey']          ;
+
+        return $this->signatureEncoder($signature);
+    }
+
+    /**
+     * Protected default
+     */
+    protected function default()
+    {
+        $this->settings['storetype'] = '3d_pay';
+        $this->settings['islemtipi'] = $this->settings['islemtipi'] ?? 'Auth';
+        $this->settings['currency']  = $this->settings['currency']  ?? 949;
+        $this->settings['rnd']       = $this->settings['rnd']       ?? time();
+        $this->settings['hash']      = $this->signature();
+    }
+}

Internal/package-payment/Nestpay/Response.php

@@ -0,0 +1,84 @@
+<?php namespace ZN\Payment\Nestpay;
+
+use ZN\DataTypes\Arrays;
+
+class Response
+{
+    /**
+     * Protected exclude parameters
+     * 
+     * @var array
+     */
+    protected $parameters = ['AuthCode', 'Response', 'HostRefNum', 'ProcReturnCode', 'TransId', 'ErrMsg'];
+
+    /**
+     * Get parameters
+     * 
+     * @var array
+     */
+    public function parameters()
+    {
+        return Arrays\RemoveElement::use($_POST, NULL, $this->parameters);
+    }
+
+    /**
+     * Is valid hash
+     * 
+     * @return bool
+     */
+    public function isValidHash() : bool
+    {
+        if( ! $hash = ($_POST['HASHPARAMS'] ?? NULL) )
+        {
+            return false;
+        }
+
+        $hashEx = explode(':', $hash);
+        $real   = NULL;
+
+        foreach( $hashEx as $part )
+        {
+            if( ! empty($_POST[$part]) )
+            {
+                $real .= $_POST[$part];
+            }
+        }
+
+        return $real === $_POST['HASHPARAMSVAL'] && $_POST['HASH'] === base64_encode(pack('H*',sha1($real . $_POST['storeKey'])));
+    }
+
+    /**
+     * Is 3d
+     * 
+     * @return bool
+     */
+    public function is3D() : bool
+    {
+        return in_array($_POST["mdStatus"], ['1','2','3','4']);
+    }
+
+    /**
+     * Is approved
+     * 
+     * @return bool
+     */
+    public function isApproved() : bool
+    {
+        return empty($_POST["ErrMsg"]) && ($_POST["Response"] ?? NULL) === 'Approved';
+    }
+
+    /**
+     * Get error messages
+     * 
+     * @return string|false
+     */
+    public function error() 
+    {
+        if( ! empty($_POST["ErrMsg"]) )
+        {
+            return $_POST["ErrMsg"];
+        }
+
+        return false;
+    }
+}

Internal/package-payment/PayPal/Request.php

@@ -0,0 +1,285 @@
+<?php namespace ZN\Payment\PayPal;
+
+use ZN\Request\URL;
+use ZN\Payment\Currency;
+use ZN\Payment\Exception;
+use ZN\Payment\GatewayRequestAbstract;
+
+class Request extends GatewayRequestAbstract
+{
+    /**
+     * Protected banks
+     * 
+     * @var array
+     */
+    public $types = 
+    [
+        'paypal'  => 'https://www.paypal.com/cgi-bin/webscr',
+        'test'    => 'https://www.sandbox.paypal.com/cgi-bin/webscr'
+    ];
+
+    /**
+     * Protected required
+     * 
+     * @var array
+     */
+    protected $required = 
+    [
+        'cmd'           => '_xclick', 
+        'no_note'       => '1'
+    ];
+
+    /**
+     * Protected $commands
+     * 
+     * @var array
+     */
+    protected $commands = 
+    [
+        'normal'            => '_xclick',
+        'cart'              => '_cart',
+        'subscribe'         => '_xclick-subscriptions',
+        'autoBilling'       => '_xclick-auto-billing',
+        'donate'            => '_donations',
+        'encrypt'           => '_s-xclick'
+
+    ];
+
+    /**
+     * Command
+     * 
+     * @param string $command
+     * 
+     * @return $this
+     */
+    public function command(string $command)
+    {
+        if( ! isset($this->commands[$command]) )
+        {
+            throw new Exception\InvalidCommandException(NULL, $command);
+        }
+
+        $this->settings['cmd'] = $this->commands[$command];
+
+        return $this;
+    }
+
+    /**
+     * Sets currency.
+     * 
+     * @param string|int $currency
+     * 
+     * @return $this
+     */
+    public function currency($currency)
+    {
+        # Is valid currency
+        Currency::get($currency, $code);
+
+        $this->settings['currency_code'] = $code;
+
+        return $this;
+    }
+
+    /**
+     * Sets return url.
+     * 
+     * @param string $notify
+     * @param string $success
+     * @param string $cancel  = NULL
+     * 
+     * @return $this
+     */
+    public function returnUrl(string $notify, string $success, ?string $cancel = NULL)
+    {
+        $this->settings['notify_url'] = URL::site($notify);
+
+        $this->settings['return'] = URL::site($success);
+       
+        if( $cancel )
+        {
+            $this->settings['cancel_return'] = URL::site($cancel);
+        }
+        
+        return $this;
+    }
+
+    /**
+     * Sets item.
+     * 
+     * @param string $name
+     * @param string $number = NULL
+     * @param float  $amount = NULL
+     * @param int    $quantity
+     * 
+     * @return $this
+     */
+    public function item(string $name, ?string $number = NULL, ?float $amount = NULL, ?int $quantity = NULL)
+    {
+        $this->settings['items'][] = ['item_name' => $name, 'item_number' => $number, 'amount' => $amount, 'quantity' => $quantity];
+
+        return $this;
+    }
+
+    /**
+     * Order Id
+     * 
+     * @param string $name
+     * 
+     * @return $this
+     */
+    public function orderId(string $name)
+    {
+        $this->settings['item_name'] = $name;
+
+        return $this;
+    }
+
+    /**
+     * Sets name.
+     * 
+     * @param string $first
+     * @param string $last
+     * 
+     * @return $this
+     */
+    public function name(string $first, string $last)
+    {
+        $this->settings['first_name'] = $first;
+        $this->settings['last_name']  = $last;
+
+        return $this;
+    }
+
+    /**
+     * Sets buyer.
+     * 
+     * @param string $email
+     * @param string $id = NULL
+     * 
+     * @return $this
+     */
+    public function buyer(string $email, ?string $id = NULL)
+    {
+        $this->settings['payer_email'] = $email;
+        
+        if( $id )
+        {
+            $this->settings['payer_id'] = $id;
+        }
+       
+        return $this;
+    }
+
+    /**
+     * Sets seller.
+     * 
+     * @param string $email
+     * @param string $id = NULL
+     * 
+     * @return $this
+     */
+    public function seller(string $email, ?string $id = NULL)
+    {
+        $this->settings['receiver_email'] = $email;
+
+        if( $id )
+        {
+            $this->settings['receiver_id'] = $id;
+        }
+       
+        return $this;
+    }
+
+    /**
+     * Sets seller.
+     * 
+     * @param string $receiver
+     * 
+     * @return $this
+     */
+    public function clientId(string $clientId)
+    {
+        $this->settings['business'] = $clientId;
+        
+        return $this;
+    }
+
+    /**
+     * Sets locale.
+     * 
+     * @param string $locale
+     * 
+     * @return $this
+     */
+    public function locale($locale)
+    {
+        $this->settings['lc'] = $locale;
+
+        return $this;
+    }
+
+    /**
+     * Send request.
+     * 
+     * @param string $type;
+     */
+    public function send(string $type = 'paypal')
+    {
+        if( ! isset($this->types[$type]) )
+        {
+            throw new Exception\InvalidSendTypeException(NULL, $type);
+        }
+
+        $this->setMultipleItems();
+
+        $this->setCustomData($this->types[$type]);
+
+        $settings = array_merge($this->required, $this->settings);
+
+        $requestUrl = $this->types[$type] . '?' . http_build_query($settings);
+
+        redirect($requestUrl);
+    }
+
+     /**
+     * protected set multiple items
+     */
+    protected function setMultipleItems()
+    {
+        $items = $this->settings['items'] ?? NULL;
+
+        if( ! empty($items) ) 
+        {
+            if( count($items) > 1 )
+            {
+                foreach( $items as $key => $values )
+                {
+                    $id = $key + 1;
+                    
+                    foreach( $values as $k => $i ) 
+                        if( $i !== NULL ) 
+                            $this->settings[$k . '_' . $id] = $values[$k];
+                }
+            }
+            else
+            {
+                foreach( $items[0] as $key => $item ) 
+                    if( $item !== NULL ) 
+                        $this->settings[$key] = $item;
+            }
+
+            unset($this->settings['items']);
+        }
+    }
+
+    /**
+     * protected set custom data
+     */
+    protected function setCustomData($url)
+    {
+        $custom = $this->settings['custom'] ?? '';
+
+        $this->settings['custom'] = $url . ',' . $custom;
+    }
+}

Internal/package-payment/PayPal/Response.php

@@ -0,0 +1,59 @@
+<?php namespace ZN\Payment\PayPal;
+
+use ZN\Services\CURL;
+use ZN\Payment\Exception;
+
+class Response
+{
+    /**
+     * Is valid hash
+     * 
+     * @return bool
+     */
+    public function isValidHash() : bool
+    {
+        if( empty($_POST['custom']) )
+        {
+            return false;
+        }
+
+        $query = 'cmd=_notify-validate&' . http_build_query($_POST);
+
+        $url = explode(',', $_POST['custom'])[0];
+
+        $curl = new CURL;
+
+        return $curl->init($url)
+                    ->post(true)
+                    ->postfields($query)
+                    ->returntransfer(true)
+                    ->sslVerifypeer(false)
+                    ->sslVerifyhost(false)
+                    ->exec() === 'VERIFIED';
+    }
+
+    /**
+     * Is approved
+     * 
+     * @return bool
+     */
+    public function isApproved() : bool
+    {
+        return ! empty($_POST['payment_status']) && ($_POST['payment_status'] ?? NULL) === 'Completed';
+    }
+
+    /**
+     * Get error messages
+     * 
+     * @return string|false
+     */
+    public function error() 
+    {
+        if( $this->isApproved() )
+        {
+            return false;
+        }
+
+        return $_POST['payment_status'] ?? 'Payment status not found!';
+    }
+}