Merge pull request #320 from WizardPro/patch-1

fix: php7.4 hexdec deprecation notice. close #319

composer.json

@@ -19,6 +19,7 @@
         "ext-simplexml":"*",
         "ext-libxml": "*",
         "ext-json": "*",
+        "ext-bcmath": "*",
         "yansongda/supports": "^2.0",
         "symfony/http-foundation": "^4.0",
         "symfony/event-dispatcher": "^4.0"

src/Gateways/Alipay/Support.php

@@ -419,8 +419,10 @@ class Support
         $dec = 0;
         $len = strlen($hex);
         for ($i = 1; $i <= $len; $i++) {
+            if (ctype_xdigit($hex[$i - 1])) {
                 $dec = bcadd($dec, bcmul(strval(hexdec($hex[$i - 1])), bcpow('16', strval($len - $i))));
             }
+        }
         return $dec;
     }