Creating a pyramid shape: PHP

To create a pyramid we need 3 repetitions for example as follows:

<?php
//PYRAMID TOP
for ($i = 0; $i < 5; $i++) {
 for ($j = 5; $j > $i; $j--) {
 echo '&nbsp';
 }
 for ($k = 0; $k <= $i; $k++) {
 echo '*';
 }
 echo '<br/>';
 }


//PYRAMID BOTOM
 echo "<br/><br/>";

 for ($i = 1; $i <= 5; $i++) {
    for ($j = 6; $j > $i; $j--) {
        echo '*';
    }
     for ($k = 2; $k <= $i; $k++) {
     echo '';
     }
 echo '<br/>';
 }
?>

for ($ i); // repetition i to make the number of rows repetition of 0 to no more than 5, i ++ grow 0-4, echo '<br/>', // to act line 

for ($ j); // repetitions to create a column j j 5 worth no more than i (0), 5-0 j-- reduced, echo '& nbsp' // to display a blank character 

for ($ k); // repetitions k to fill column 0 as i no more and grow, echo '*'; // to produce a character * 


The result:

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