From 19ce0cd5643fb62cf2b268a87c383b6ee2987692 Mon Sep 17 00:00:00 2001
From: Xemii <chelyshkov_s@mail.ru>
Date: Thu, 28 Sep 2017 08:07:32 +0300
Subject: [PATCH] issue #9 (#10)

---
 src/Payment.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Payment.php b/src/Payment.php
index 820292c..aeefd76 100644
--- a/src/Payment.php
+++ b/src/Payment.php
@@ -99,7 +99,7 @@ public function getPaymentUrl()
         if ($this->customParams) {
             // sort params alphabetically
             ksort($this->customParams);
-            $signature .= ':' . http_build_query($this->customParams, null, ':');
+            $signature .= ':' . implode(array_map(function($key, $value){ return $key . '=' .$value; }, array_keys($this->customParams), $this->customParams), ':');
         }
 
         $this->data['SignatureValue'] = md5($signature);
@@ -212,7 +212,7 @@ private function getCustomParamsString(array $source)
         }
 
         ksort($params);
-        $params = http_build_query($params, null, ':');
+        $params = implode(array_map(function($key, $value){ return $key . '=' .$value; }, array_keys($params), $params), ':');
 
         return $params ? ':' . $params : '';
     }