Implement CLI application by editing Main.php.
You may add new files to keep your code clean, if it is allowed in your challenge.
You can get commandline arguments as $argv and also can get count of the $argv by $args in Main.php file where run method is defined.
<?php
function run ($argc, $argv)
{
  // code to run
}$argc and $argv in this method came from $argc and $argv without script name information, passed in index.php. Although it has same variable name, please be careful that $argc and $argv in run method does not connected to the arguments linked in above.
You can use print functions in order to print your result into sdtout.
printf("%s\n", args);If you want to use external libraries, do the following:
- Add dependency information in composer.json