What are the advantages and disadvantages of using online PHP environments like repl.it for testing code?

One advantage of using online PHP environments like repl.it for testing code is the convenience of being able to write and run code without needing to set up a local development environment. Additionally, these platforms often provide features like code collaboration and version control. However, a disadvantage is that you may be limited in terms of server configurations and dependencies compared to setting up your own development environment.

<?php
// Code snippet to demonstrate the use of an online PHP environment like repl.it
echo "Hello, World!";
?>