What are the potential drawbacks of using header(Location: ) in PHP for redirecting users?

Using header(Location: ) for redirection in PHP can cause issues if any output has already been sent to the browser before the redirection header is set. This can result in headers already sent errors. To prevent this, you can use output buffering to capture any output before sending headers. 

<?php
ob_start(); // Start output buffering

// Your PHP code here

ob_end_clean(); // Clean the output buffer without sending it to the browser

header("Location: http://www.example.com");
exit; // Stop further execution
?>

Keywords

header Location redirect drawbacks users

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