How can special characters in hostnames affect PHP session handling, particularly in Internet Explorer?

Special characters in hostnames can cause issues with PHP session handling, particularly in Internet Explorer, as it can lead to session cookies not being set or recognized properly. To solve this issue, it is recommended to use alphanumeric characters and hyphens in hostnames to ensure compatibility with all browsers. 

<?php
session_set_cookie_params(0, '/', '', false, true);
session_start();
?>

Keywords

PHP session handling special characters hostnames Internet Explorer

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