To URL encode the query string parameters of a URL in Java, you can use the URLEncoder class from the java.net package.
There are several ways to pass variables from one PHP page to another.
To check if a URL parameter exists in PHP, you can use the isset function.
To use the file_get_contents function to retrieve the contents of an external URL in PHP, you will first need to ensure that the allow_url_fopen directive is enabled in your php.ini file.
cURL is applied for making requests with different protocols. A post request can send user collected data to a server. Find out how to do that accurately.
To form a proper URL with a query string and an anchor hashtag in PHP, you can use the http_build_query() function to create the query string and concatenate it to the base URL using the ?
In PHP, you can use the $_SERVER['REQUEST_URI'] variable to get the request string without GET arguments.
To read JSON from a URL in Java, you can use the readJsonFromUrl() method from the JSON simple library.