i know this question is asked but my script is different string
$data = array( ‘merchantId’ => $merchantId, ‘qrCode’ => $qrCode, );
next step i call jeson data and api
$json_data = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); $signed_data = $data; $signed_data[‘sign’] = Encryption::generateSignature($json_data,storage_path().self::MERCHANT_PRIVATE_KEY);
but i am getting this error
public static function validationSignature(string $data, string $key) { $data = json_decode($data, true, 512, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); $signature = $data[‘sign’]; // here I get an error on this line when trying to access the array offset on a value of type null
Can someone help me solve this, I never integrate the api so I don’t know this error
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