Search results for: "header already sent error"

What steps can be taken to prevent the "Header already sent" error when using the header function in PHP?

The "Header already sent" error occurs when the header function in PHP is called after output has already been sent to the browser. To prevent this er...

What are common causes of the "header already sent" error in PHP scripts?

The "header already sent" error in PHP scripts occurs when there is output (such as echoing text or whitespace) before the header function is called....

What does the error message "Cannot modify header information - headers already sent" indicate in PHP?

The error message "Cannot modify header information - headers already sent" in PHP indicates that there was output (such as HTML, whitespace, or error...

What does the error "Cannot modify header information - headers already sent" mean in PHP?

The error "Cannot modify header information - headers already sent" in PHP occurs when your script tries to send HTTP headers after content has alread...

What is the significance of the error message "Header already sent" in PHP?

The error message "Header already sent" in PHP signifies that the script has already sent output to the browser before sending HTTP headers, which is...