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polygon dot co dot in at gmail dot com ¶

2 years ago

Although, session_set_save_handler() has support for saving session data via other modes, This does not support a way for saving session data in COOKIES. This is required for a site with a huge concurrent request the recommended solution by session_set_save_handler() does not fit the load site is handling.
So, the other way around to do this is as below.

<?php
// start.php
ob_start(); // Turn on output buffering
 
$sessCookieName = session_name();
$_SESSION = json_decode(base64_decode($_COOKIE[$sessCookieName]), true);

// Code
function echosess() {
    echo $_SESSION['id'];
}
echosess();
$_SESSION['id'] = 1;

// end.php
$op = ob_get_clean(); // Get current buffer contents and delete current output buffer
$encryptedData = base64_encode(json_encode($_SESSION));
setcookie($sessCookieName, $encryptedData, time() + (ini_get("session.gc_maxlifetime")), '/');
echo $op;
?>

If more security is required about the data of the session in cookie, then key based encryption/decryption can solve the issue.

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