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Posted By

r4b87 on 09/27/10


Tagged

php redirect 301


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Redirect non-www URLs

 / Published in: PHP
 

This code wil 301 redirect non-www URLs to the www URL

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  1. $domain=$_SERVER['HTTP_HOST'];
  2.  
  3. if(substr($domain, 0, 3)!='www'){
  4.     $redirect_url="http://www.{$domain}{$_SERVER['REQUEST_URI']}";
  5.  
  6.     if($_SERVER['QUERY_STRING']!=''){
  7.         $redirect_url.="?{$_SERVER['QUERY_STRING']}";
  8.     }
  9.  
  10.     header('HTTP/1.1 301 Moved Permanently');
  11.     header("Location: {$redirect_url}");
  12.     exit();
  13. }

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