Question

I am having problem creating a pyramid of asterisk.
Please see my code.

  <?php

    for($i=1;$i<=5;$i++){
        for($j=1;$j<=$i;$j++){
                    echo "*";
        }
        echo "<br />";
    }

    ?>

Result:

*
**
***
****
*****

My question is how I am going to make that like.

    *
   * *
  * * *
 * * * * 
* * * * *

Answer 1

<pre><?php

$n = $i = 5;

while ($i--)
    echo str_repeat(' ', $i).str_repeat('* ', $n - $i)."\n";

?></pre>