How to Read HTTP Header in PHP

Problem:- How to Read HTTP Header in PHP

Solution 1:-

<?php 

echo $_SERVER['HTTP_USER_AGENT'];

?>

Output:-

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0

Solution 2:-

<?php 

$header = getallheaders();
?>
<pre>
	<?php
print_r($header);
?>
</pre>

Output:-

	Array
(
    [Host] => localhost
    [User-Agent] => Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0
    [Accept] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    [Accept-Language] => en-US,en;q=0.5
    [Accept-Encoding] => gzip, deflate
    [Referer] => http://localhost/jquery/login.php
    [Cookie] => cookie name will here
    [Connection] => keep-alive
    [Upgrade-Insecure-Requests] => 1
    [Cache-Control] => max-age=0
)

Also Read:- Control Over User Login Procedure – Cookies Authentication