Floyd’s Triangle is a right-angled triangle filled with rows of consecutive numbers. It starts with 1:
Example of 4 rows of Floyd’s Triangle:
1
2 3
4 5 6
7 8 9 10
Let’s see how to print Floyd’s Triangle using PHP and HTML:
|
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 |
<html> <head> <title>PHP Script to Print Floyd's Traingle</title> </head> <body> <h3>PHP Script to print Floyd's Traingle</h3> <form method="post"> Enter the limit: <input type="number" name="limit" /> <input type="submit" value="Print Floyd's Traingle" /><br /><br /> <?php //check if the post data has some value if(isset($_POST['limit']) && $_POST['limit']){ $limit = $_POST['limit']; $a = 1; for ($i = 1; $i <= $limit; $i++){ for ($c = 1; $c <= $i; $c++){ echo $a.' '; $a++; } echo "<br>"; } } ?> </form> </body> </html> |
It’s a pretty easy program just see the above script to understand how it works.
You can also see the demo of this program in the below link:
