Fixes support for 5.6

SmoDav · Jan 27, 2021 · f85d473 · f85d473
1 parent 8a6f587
commit f85d473
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Mpesa/C2B/STK.php b/src/Mpesa/C2B/STK.php
@@ -216,7 +216,7 @@ public function push($amount = null, $number = null, $reference = null, $descrip
         $paybill   = $this->core->configRepository()->getAccountKey('lnmo.paybill');
         $shortCode = $this->core->configRepository()->getAccountKey('lnmo.shortcode');
         $passkey   = $this->core->configRepository()->getAccountKey('lnmo.passkey');
-        $callback  = $this->callback ?? $this->core->configRepository()->getAccountKey('lnmo.callback');
+        $callback  = $this->callback ?: $this->core->configRepository()->getAccountKey('lnmo.callback');
 
         $partyB  = $this->command == self::CUSTOMER_PAYBILL_ONLINE ? $shortCode : $paybill;