Search results for: "headers"

What are the potential pitfalls of outputting content before setting headers in PHP?

Outputting content before setting headers in PHP can lead to "headers already sent" errors, as headers must be set before any content is sent to the b...

What are common issues when trying to download CSV/XLS files using PHP headers?

Common issues when trying to download CSV/XLS files using PHP headers include incorrect headers being set, output being sent before headers are set, a...

How can PHP handle errors or unexpected behavior when sending headers to the browser?

When sending headers to the browser in PHP, errors or unexpected behavior can occur if headers are sent after output has already been sent to the brow...

How can headers be optimized when working with PHP and XHTML?

Headers can be optimized when working with PHP and XHTML by using the header() function to set appropriate headers before any output is sent to the br...

Can PHP developers still send headers after using flush() for output buffering?

When using output buffering in PHP with functions like ob_start() and flush(), headers must be sent before any content is output. Once output bufferin...