'role' = 1， base64_encode($payload));$signature = hash_hmac('sha256'， '']， '']， ['-'， you could do something like this ?php$config = include 'config.php';$meetingSDKClientKey = $config['meetingSDKClientKey'];$meetingSDKClientSecret = $config['meetingSDKClientSecret'];$iat = time() - 30;$exp = $iat + 60 * 60 * 10;//$client_request = $this-request-input('json_decode');// Define the payload data for your JWT token$token_payload = ['sdkKey' = $meetingSDKClientKey， if you want to code this in PHP， // Issued at timestamp'exp' = $exp， '_'， '_'。

'=']， base64_encode($header));$payload_encoded = str_replace(['+'，'iat' = $iat， '_'。

true);$signature_encoded = str_replace(['+'， ['-'， 'alg' = 'HS256']);$payload = json_encode($token_payload);$headers_encoded = str_replace(['+'， '']， // Expiration timestamp (2 hours from now)'appKey' = $meetingSDKClientKey，。

'http://devforum.zoom.us/'，'tokenExp' = $exp ];// Encode the JWT token$header = json_encode(['typ' = 'JWT'，'mn' = 9898533313， $headers_encoded . '.' . $payload_encoded， $meetingSDKClientSecret， 'http://devforum.zoom.us/'。

['-'， base64_encode($signature));$jwt = $headers_encoded . '.' . $payload_encoded . '.' . $signature_encoded;echo $jwt;? ， '=']， '=']， 'http://devforum.zoom.us/'。