1
2<?php
3// PHP code to get the Fibonacci series Recursive function for fibonacci series.
4function Fibonacci($number){
5
6
7 if ($number == 0)
8 return 0;
9 else if ($number == 1)
10 return 1;
11
12 else
13 return (Fibonacci($number-1) +
14 Fibonacci($number-2));
15}
16?>
17<!doctype html>
18<html>
19<head>
20<meta charset="utf-8">
21<title>Code 4 Example - PHP Examples</title>
22</head>
23
24<body>
25<form action="" method="post">
26 Number:<input type="text" name="number" value="<?=$_POST['number']??''?>"><br>
27 <input type="submit" name="print" value="Print Fibonacci Numbers">
28</form>
29<?php
30
31if(isset($_POST["print"]))
32{
33 $number = $_POST["number"];
34 for ($counter = 0; $counter < $number; $counter++){
35 echo '<strong>'.Fibonacci($counter).'</strong> ';
36 }
37}
38?>
39</body>
40</html>
41
42