fix: use explicit nullable type for isAvailable() for PHP 8.4 compatibility

Tshiswaka Jules Nsenda · Tshiswaka Jules Nsenda · commit 04cba384f55d · 2026-02-25T11:56:10.000+02:00
diff --git a/Model/Payment/Paystack.php b/Model/Payment/Paystack.php
@@ -35,7 +35,7 @@ class Paystack extends \Magento\Payment\Model\Method\AbstractMethod
     protected $_isOffline = true;
 
     public function isAvailable(
-        \Magento\Quote\Api\Data\CartInterface $quote = null
+        ?\Magento\Quote\Api\Data\CartInterface $quote = null
     ) {
         return parent::isAvailable($quote);
     }

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ class Paystack extends \Magento\Payment\Model\Method\AbstractMethod`
`35`	`35`	`protected $_isOffline = true;`
`36`	`36`
`37`	`37`	`public function isAvailable(`
`38`		`- \Magento\Quote\Api\Data\CartInterface $quote = null`
	`38`	`+ ?\Magento\Quote\Api\Data\CartInterface $quote = null`
`39`	`39`	`) {`
`40`	`40`	`return parent::isAvailable($quote);`
`41`	`41`	`}`