Solution to the Staircase problem

staircase.php

<!-- Staircase detail

This is a staircase of size 4: 

   #
  ##
 ###
####
Its base and height are both equal to . It is drawn using # symbols and spaces. The last line is not preceded by any spaces.

Print a staircase of size n using # symbols and spaces.

Note: The last line must have 0 spaces in it. -->

function staircase($n) {
   for($i = 0; $i < $n; $i++){
        $printHashChecker = $i;

        if($i !== $n - 1){
            for($spaceToPrint = ($n - ($i + 1)); $spaceToPrint > 0; $spaceToPrint--){
                echo " ";
            }
        }

        if($printHashChecker != 0){
            for($printHashChecker; $printHashChecker > 0; $printHashChecker--){
                echo "#";
            }
        }

        echo "# \n";
    }
}