How can issues with modifying header information in PHP be resolved?

Issues with modifying header information in PHP can be resolved by ensuring that no output is sent to the browser before calling the header() function. This can be achieved by placing the header() function at the beginning of the PHP script, before any HTML or whitespace. Additionally, using ob_start() and ob_end_flush() functions can help buffer the output and prevent any header modification errors. 

<?php
ob_start();
header('Location: https://www.example.com');
ob_end_flush();
exit;
?>

Keywords

header() output buffering ob_start() ob_end_flush() Content-Type

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