find visitor's browser & operating system information by HTTP_USER_AGENT server variable in php
how-to-find-visitor-browser-operation-system-in-php.php
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<h2>find visitor's browser & operating system information by HTTP_USER_AGENT server variable in php</h2>
<pre>
<?php
/*
-------------------------------------------------------------------
we want to find visitor's browser and operating system information
we can do this by using HTTP_USER_AGENT server variable in php
-------------------------------------------------------------------
*/
echo "<h4>output of user agent information by using HTTP_USER_AGENT server variable</h4>";
echo $_SERVER['HTTP_USER_AGENT'];
/*
------------------------------------------------------------------------
in professional programming it's rapidly used to get user's agent info
------------------------------------------------------------------------
*/
?>
</pre>
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how to find server admin in php - fine server admin's contact or email address by SERVER_ADMIN server variable - output in the browser
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