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101. PHP Program to Print Number triangle.

How does this program work?

  • This program is used to print Number Triangle using PHP.

Here is the code

//To print Triangle Pattern
<html>
<head>
<title>PHP Program To print Triangle Pattern</title>
 </head>
 <body>
<form method="post">
<table border="0">
<tr>
<td> <input type="text" name="num" value="" placeholder="Enter no.of rows"/> </td>
 </tr>
<tr>
<td> <input type="submit" name="submit" value="Submit"/> </td>
 </tr>
 </table>
 </form>
 <?php
if(isset($_POST['submit']))
 {
$n = $_POST['num'];
for($i = 1; $i <= $n; $i++)
 {
for($j = 1; $j < $i; $j++)
 {
echo " ";
echo "&nbsp;"
}
for($j = $n;$j>=$i;$j--)
 {
echo $j;
 }
echo "</br>";
 }
return 0;
}
 ?>
 </body>
</html>
SkillPundit: PHP To print number triangle