Search results for: "sent"

Why is it important to ensure that no output is sent before using the header() function in PHP?

It is important to ensure that no output is sent before using the header() function in PHP because headers must be sent before any actual output is se...

How can headers already sent errors be avoided when setting cookies in PHP?

Headers already sent errors in PHP can be avoided when setting cookies by ensuring that no output is sent to the browser before calling the `setcookie...

What are some common causes of the "headers already sent" error in PHP?

The "headers already sent" error in PHP occurs when there is output (such as whitespace or HTML) sent to the browser before the header() function is c...

How can one prevent headers from being sent before output in PHP?

To prevent headers from being sent before output in PHP, you can use the output buffering technique. Output buffering allows you to store the output i...

How can the issue of "headers already sent" error be resolved in PHP scripts?

The "headers already sent" error in PHP scripts occurs when there is any output (such as white space or text) sent before the header function is calle...