find visitor's browser & operating system information by HTTP USER AGENT server variable in php

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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  <title>find visitor's browser & operating system information by HTTP_USER_AGENT server variable in php</title>
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  <meta name="Author" content="Md Iqbal Hosan">
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   h2, h4{background:#ddd; color:#000099;}
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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>
 </body>
</html>

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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