To add a header to an HTTP request using HttpURLConnection, you can use the setRequestProperty method.
In PHP, you can use the $_SERVER['REQUEST_METHOD'] superglobal to detect the request type.
To make an HTTP request from Laravel to an external API, you can use the HTTP client of your choice.
You can use the following HTML code to create a form that allows users to select and upload multiple files.
To send an HTTP GET request in Java, you can use the java.net.URL and java.net.HttpURLConnection classes.
Here's an example of how you can implement Long Polling in PHP:
Read this tutorial and learn about how the Access-Control-Allow-Origin response header works. Also, read about CORS, the origin, and non-simple requests.
In PHP, you can disable output buffering by calling the ob_end_flush() function or flush() function.
Import the "urllib" module: