FIBONACCI

2 months ago by Anamika
<html>
<head>
 <title><b>FIBONACCI SERIES</b></title>
</head>
<body>
 <h1>FIBONACCI SERIES</h1>
 <form method="post" action="">
 <label for="terms">Enter the number of terms:</label>
 <input type="number" name="terms" required>
 <input type="submit" name="generate" value="Generate">
 </form>
 <?php
 if ($_SERVER["REQUEST_METHOD"] == "POST") {
 $terms = intval($_POST["terms"]);
 if ($terms > 0) {
  $a = 0;
  $b = 1;
  echo "<h2>The Answer is:</h2>";
  echo $a;
  for ($i = 1; $i < $terms; $i++) {
   echo ',' . $b;
   $next = $a + $b;
   $a = $b;
   $b = $next;
   }
 }
 else {
 echo "<p>Please enter a positive integer:</p>";
 }
 }
 ?>
</body>
</html>