Learn PHP and MySQL with AJAX in a weekend by Blerton Abazi
Author:Blerton Abazi [Abazi, Blerton]
Language: eng
Format: azw3
Publisher: UNKNOWN
Published: 2017-04-18T04:00:00+00:00
Accessing Cookies with PHP
PHP provides many ways to access cookies.Simplest way is to use either $_COOKIE or $HTTP_COOKIE_VARS variables. Following example will access all the cookies set in above example.
<html>
<head>
<title>Accessing Cookies with PHP</title> </head>
<body>
<?php
echo $_COOKIE[“name”]. "<br />"; /* is equivalent to */
echo $HTTP_COOKIE_VARS[“name”]. "<br />";
echo $_COOKIE[“age”] . "<br />";
/* is equivalent to */
echo $HTTP_COOKIE_VARS[“name”] . "<br />"; ?>
</body>
</html>
You can use isset() function to check if a cookie is set or not. <html>
<head>
<title>Accessing Cookies with PHP</title> </head>
<body>
<?php
if( isset($_COOKIE[“name”]))
echo "Welcome " . $_COOKIE[“name”] . "<br />";
else
echo "Sorry… Not recognized" . "<br />"; ?>
</body>
</html>
example : In the example below, we retrieve the value of the cookie named "user" and display it on a page: <?php
// Print a cookie
echo $_COOKIE[“user”];
// A way to view all cookies print_r($_COOKIE);
?>
In the following example we use the isset() function to find out if a cookie has been set:
<html> <body>
<?php
if (isset($_COOKIE[“user”]))
echo "Welcome " . $_COOKIE[“user”] . "!<br>"; else
echo "Welcome guest!<br>";
?>
</body> </html>
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