This is a very simple PHP class for Facebook Messenger Bot, you can send and receive message through this simple PHP class
The constuctor have 2 required parameter and 1 optional parameter, which is:
| Parameter | Description |
|---|---|
| $access_token | Your page access token |
| $verify_token | Your private verify token |
| [$request] | request method by default will be filled with _REQUEST global parameter |
This method will listen request from Messenger Webhook, this is will return null or array.
| Return | Description |
|---|---|
| null | There's no request from Messenger Webhook |
| array | Array data (payload) received from Messenger Webhook |
Note: This method is required to verify your Webhook Callback too, it will return a single string called hub challenge for Webhook Callback verification process.
Array data (payload) received froom Messenger Webhook can means many things such as message received or message read, you can see the complete documentation here:
https://developers.facebook.com/docs/messenger-platform/webhook-reference
This method can send a message to specific user, there's 2 parameter for this method, which is, recipientId (string) and message (array), here is example of sendMessage method:
$message = array( 'text' => 'Hello World!' ); $response = $fbMessenger->sendMessage('1234567890',$message); above code snippets will send a very simple text message to user messenger with id 1234567890, there's a lot of message format message to send, you can see the complete documentation here:
https://developers.facebook.com/docs/messenger-platform/send-api-reference
the method will return a response of request, you can see the complete documentation here:
https://developers.facebook.com/docs/messenger-platform/send-api-reference#response
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