Search results for: "header_sent"

What are some best practices for handling header information in PHP to avoid errors like "Cannot modify header information"?

When working with header information in PHP, it's important to ensure that headers are sent before any output is generated. To avoid errors like "Cann...

What are some best practices for utilizing PHP functions and syntax to prevent header modification errors in scripts?

When working with PHP scripts, it is important to avoid modifying headers after they have already been sent to the browser. To prevent header modifica...

What best practices should be followed when using headers in PHP scripts to avoid errors?

When using headers in PHP scripts, it is important to ensure that no output has been sent to the browser before setting headers. This can be achieved...

In what scenarios can headers in cache be overwritten in PHP?

Headers in cache can be overwritten in PHP when using the header() function to set new headers after headers have already been sent to the client. To...

How can a PHP developer ensure that headers are sent correctly before any output in a PHP file?

To ensure that headers are sent correctly before any output in a PHP file, a developer can use the `header_sent()` function to check if headers have a...