How do I send HTTP headers with PHP?

This is done with the header function, another very handy built-in PHP function.

Here is an example of using header to re-direct to a different webpage:


<?php

header("Location: http://www.php-questions.com");

?>

There are two mistakes that everyone makes with header the first time they use it so since we're feeling nice, we'll tell you up front to stop some head scratching.

First, the header command must be called before anything is sent to the web browser, otherwise a nice error message will occur.

Second, you'll want to stop execution of the script after the header call, so be sure to include exit; directly underneath. We just saved you a whole load of hassle!

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