title: Run php script from command line with variable
body: <p>I want to run a PHP script from the command line, but I also want to set a variable for that script.</p>
  
  <p>Browser version: <code>script.php?var=3</code></p>
  
  <p>Command line: <code>php -f script.php</code>  (but how do I give it the variable containing 3?)</p>