<?php

// Some code goes here.

// This comment contains # multiple
// hash signs (#).

/*
 * Here is a small function comment.
 */
function test()
{
    // Some code goes here.

    # This comment is banned.

}//end test()

/*
    A longer comment goes here.
    It spans multiple lines.
*/

# This is a long comment
# that is banned.

### use the code from the regex
### over hre
### ok?

#️⃣ Apparently the emoji keycap number sign (hash) also works and turns this into a comment.