Write two different PHP script to demonstrate passing variables with sessions. Write PHP script to demonstrate passing variables with cookies. Write a program to keep track of how many times a visitor has loaded the page || DWPD Sem 5 Practical 18

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DWPD : Practical 18-A

Write two different PHP script to demonstrate passing variables with sessions

Script for index.php file<html>
<head>
<title>Session Demo</title>
</head>
<form method="post" action="retrive.php">
 Enter Your name : <input type="text" name="fname">
 <input type="submit" name="submit" value="Create session">
</form>
</html>

Output :

 

Script for retrive.php file<?php
 session_start();
 if(isset($_POST['submit']))
 {
  $sr=$_POST['fname'];
  $_SESSION['sr']=$sr;
  session_start();
  echo "Your name is : ".$_SESSION['sr'];
 }
?>

Output : 



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DWPD : Practical 18-B
Write PHP script to demonstrate passing variables with cookies

Script for index.php file<html>
<head>
<title>Cookie Demo</title>
</head>
<body>
 <form method="post">
  Enter Your Name : 
<input type="text" name="fname" value="<?php echo $_COOKIE['myname']; ?>">
  <input type="submit" value="Create Cookie" name="submit">
 </form>
</body>
</html>
<?php
if(isset($_POST['submit']))
{
 $name=$_POST['fname'];
 setcookie('myname',$name,time()+100,"/","",0);
 
 echo "Your name is : ".$_COOKIE['myname'];
 
 if(!isset($_COOKIE['myname']))
 {
  echo "failed to create cookie";
 }
}
?>

Output :



DWPD : Practical 18-C
Write a program to keep track of how many times a visitor has loaded the page.

Script for index.php file<?php 

$handle = fopen("counter.txt", "r");

if(!$handle)
{
 
 echo "could not open the file" ;

}
else 
{
 $counter = (int ) fread($handle,20);
 fclose ($handle);
 $counter++;
 echo" <strong> you are visitor no ". $counter . " </strong> " ;
        $handle = fopen("counter.txt", "w" );
        fwrite($handle,$counter);
        fclose($handle);}
?>

Output :


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