- Create a HTML form which allows the input of a first and last name
- On submission of the form, send the data to the PHP script
- Get the PHP script to display
Hello [first name] [last name] - If either the first or last name is null/empty, display an error message.
- https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form
- https://www.php.net/manual/en/reserved.variables.post.php
- https://www.php.net/manual/en/function.echo.php
- What is the response status code?
- What is the request content type?
- Which HTTP method did the request use?
- What is PHP doing for us in this very simple application?
- What type of "rendering" is at play here?
- What alternative implementation could provide the same functionality?
- Create a script file and link it to your HTML page.
- Set up an event listener for the form submission, grab the form values and post them as JSON to your PHP script.
- In the PHP script, concatenate your variables and respond with JSON.
- Receive the response on the frontend and display back to the user.
- https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/submit_event
- https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
- https://stackoverflow.com/questions/4064444/returning-json-from-a-php-script
- Create a Composer file
- Use Composer to install the library (hint: Composer can be used in Lando by running
lando composerin the terminal) - Include the Composer autoloader in your PHP script
- Refactor your existing code to use the Symfony Request and Response objects instead of working directly with PHP globals.