Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, string given in /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php:176 Stack trace: #0 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(176): sizeof('https://request...') #1 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(278): PayPal\Common\PayPalModel->_convertToArray(Array) #2 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(293): PayPal\Common\PayPalModel->toArray() #3 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/Webhook.php(133): PayPal\Common\PayPalModel->toJSON() #4 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/sample/notifications/CreateWebhook.php(54): PayPal\Api\Webhook->create(Object(PayPal\Rest\ApiContext)) #5 /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/sample/notifications/UpdateWebhook.php(13): require('/home/tnccom/po...') #6 {main} thrown in /home/tnccom/pos.tnc.com.ph/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php on line 176