Redirect Visitors to a Different Web Page

Last Updated on: March 7, 2011

Sometimes it is necessary to divert a visitor to a different page on your website or even an external site. This might be for a variety of reasons:

  • Site maintenance
  • Page retirement
  • Incorrect URL
  • Site busy or failed
  • Automatically jump to first search result
  • Moving to a different domain name

In any of these scenario’s you can use a PHP script to redirect the visitor to another page of your choice – maybe the home page or a standard maintenance or error page.

The easiest way is to use the header() function to do the work. The following example would redirect to the index.php page of your website:

{code type=php}<? header(‘Location: /index.php’); ?>{/code}

One thing to watch out for is that you must use header() before any output is sent, whether that is from normal HTML tags, empty lines in a file or PHP. Any output, including empty spaces will stop the redirect from working. This is an example of this method that will not work:

{code type=php}<?php
Echo “Hello World!”;
Header(‘Location: /index.php’);

A more complicated example creates a function called reDirect() in your sitefunction.php. This is a cut down example that will need expanding for all the HTTP error codes:

{code type=php}Function reDirect($num,$url){
Static $http = array(
404 => “HTTP/1.1 404 Not Found”,
405 => “HTTP/1.1 405 Method Not Allowed”
header(“Location: $url”);

Include your sitefunction.php and then call reDirect()

{code type=php}

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