Floyd’s Triangle with 13 Range Program in PHP

Let us see Floyd’s Triangle with 13 Range Program in PHP.

<?php
$number = 0;
for ($i = 0; $i <= 12; $i++) {
    for ($j = 1; $j <= $i; $j++) {
        echo $number . "&nbsp&nbsp&nbsp;";
        $number++;
        if ($j == $i) {
            echo "&nbsp&nbsp&nbsp<br/>";
        }
    }
}
?>

Output

0
1   2
3   4   5
6   7   8   9

10   11   12   13   14
15   16   17   18   19   20
21   22   23   24   25   26   27
28   29   30   31   32   33   34   35
36   37   38   39   40   41   42   43   44
45   46   47   48   49   50   51   52   53   54
55   56   57   58   59   60   61   62   63   64   65
66   67   68   69   70   71   72   73   74   75   76   77

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