Cookies in PHP

To create cookies setcookie( ) method is used:

Example:
setcookie("name","usman" ,time( ) + (86400 * 30), "/");
Syntax:
setcookie(name, value, validity time, path, domain);

To retrieve value from cookies:

Example:

echo $_COOKIE['name'];

Syntax:

$_COOKIE['cookie name'];

To discard cookies:

set cookies expiry time 1 hour back
setcookie("name","usman" ,time( ) - (3600), "/");

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Download Code

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index.php

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<form action="#" method="POST" class="myform">

<input type="text" name="user" placeholder="Enter Your Name..." />

<input type="submit" />

</form>

<div class="myinfo">

<?php 

if(isset($_COOKIE['uid'])){

echo "<h1>Your Name is : ".$_COOKIE['uid']."</h1>";

}

?>

</div>

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new.php

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<?php

if(isset($_POST['user'])){

$user = $_POST['user'];

setcookie("uid",$user,time() + (86400 * 30), "/");

header("location:index.php");

}

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