Search results for: "header output"

In what scenarios does PHP output interfere with header functions, causing errors like "Cannot modify header information"?

When PHP output is sent before header functions like `header()` or `setcookie()`, it interferes with the HTTP headers that need to be sent before any...

How can one prevent output before the header function in PHP?

To prevent output before the header function in PHP, you should ensure that there is no output sent to the browser before calling the header function....

How can output buffering in PHP help prevent header already sent errors when using header() for redirection?

When using header() for redirection in PHP, it is important to ensure that no output is sent to the browser before the header is set. Output buffering...

How can PHP developers ensure that content is only output after the HTTP header is complete to prevent header sent errors?

To prevent "header already sent" errors in PHP, developers can ensure that content is only output after the HTTP header is complete by using output bu...

How can the interaction between header/Content-Disposition:Inline and header/filename affect file output in different browsers?

When using the header/Content-Disposition:Inline header in combination with the header/filename header, different browsers may interpret the file outp...