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‎Intermediate/6_cookies.php‎

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<link rel="shortcut icon" href="../favicon.png" type="image/x-icon">
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</head>
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<!-- Small files stored on user's browser -->
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<body>
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<h1 style="text-align: center;">Cookies</h1>
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<?php

‎Intermediate/checkcookie.php‎

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<?php
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setcookie("test_cookie", "test", time() + 5);
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if (count($_COOKIE) > 0) {
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echo "Cookies are enabled.";
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} else {
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echo "Cookies are disabled.";
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}

‎Intermediate/cookieform.php‎

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<form action="" method="POST">
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<input type="text" name="user">
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<input type="submit" name="set" value="set">
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<input type="submit" name="del" value="del">
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</form>
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<?php
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if (isset($_POST['set'])) {
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$cookie1 = $_POST['user'];
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setcookie($cookie1, $cookie1, time() + 3600);
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?>
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<?php
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if (isset($_COOKIE[$cookie1])) {
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echo "Cookie '" . $cookie1 . "' has been set<br>";
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echo "Value is: " . $_COOKIE[$cookie1];
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} else {
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echo "Cookie '" . $cookie1 . "' is not set";
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}
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}
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?>
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<?php
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if (isset($_POST['del'])) {
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$cookie1 = $_POST['user'];
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setcookie($cookie1, "", time() - 3600);
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echo $_COOKIE[$cookie1] . " has been deleted";
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}
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?>

‎Intermediate/createcookie1.php‎

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<?php
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$cookie_name = "user";
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$cookie_value = "nav kaur";
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setcookie($cookie_name, $cookie_value, time() + 5); // 86400 = 1 day
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if (isset($_COOKIE[$cookie_name])) {
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echo "Cookie '" . $cookie_name . "' has been set<br>";
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echo "Value is: " . $_COOKIE[$cookie_name];
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} else {
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echo "Cookie '" . $cookie_name . "' is not set";
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}

‎Intermediate/deletecookie.php‎

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<?php
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// set the expiration date to one hour ago
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setcookie("user", "", time() - 5);
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echo "Cookie 'user' is deleted.";

‎Intermediate/modifycookie.php‎

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<?php
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$cookie_name = "user";
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$cookie_value = "Vansh Chaurasiya";
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setcookie($cookie_name, $cookie_value, time() + 5);
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if (isset($_COOKIE[$cookie_name])) {
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echo "Cookie '" . $cookie_name . "' has been set<br>";
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echo "Value is: " . $_COOKIE[$cookie_name];
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} else {
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echo "Cookie '" . $cookie_name . "' is not set";
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}

‎Intermediate/sessions/logout.php‎

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<?php
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session_start();
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session_unset();
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session_destroy();
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echo "<br> You have been logged out!";
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?>

‎Intermediate/sessions/session_get_data.php‎

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<!-- It is used to manage information across different -->
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<!-- Stores data on server rather than user's computer -->
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<!-- Everytime we login a sid is created (session) -->
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<!-- A session is a way to store info (in variables) to be stored on diff web pages -->
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<?php
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session_start();
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if(isset($_SESSION["username"])){
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echo "Welcome".$_SESSION["username"];
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echo "<br> Your favourite category is ".$_SESSION["category"];
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echo "<br>";
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}
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?>

‎Intermediate/sessions/session_start.php‎

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<?php
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session_start();
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$_SESSION["username"]="Shashank";
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$_SESSION["category"]="Basketball";
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echo "We have saved your session";
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?>

‎Intermediate/sessions/sessions.php‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<?php
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session_start();
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$_SESSION["username"] = "Vansh";
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echo "Welcome " . $_SESSION["username"];
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?>
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</body>
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</html>
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<!--
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1. Used to manage
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2. In PHP, sessions allow you to store information in variables to be used across multiple pages, unlike cookies,
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session data is stored on the server reducing security risks
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3. starting a session: To start a session in PHP, use `session_start()` at the beginning of the script
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4. to destroy the session entirely, we use session_destroy() function
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5. once the session is set, they can be accessed by other pages as well until the session is destroyed or expired
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-->

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