Search results for: "output formatting"

How can the "headers already sent" warning be resolved when modifying header information in a PHP script?

When modifying header information in a PHP script, the "headers already sent" warning can be resolved by ensuring that no output is sent to the browse...

What is the correct usage of imagejpeg() in PHP for generating thumbnails on the fly?

When generating thumbnails on the fly in PHP using imagejpeg(), it is important to ensure that the correct parameters are passed to the function. The...

How important is the placement of session_start() in a PHP script, and what impact does it have on session management?

The placement of session_start() in a PHP script is crucial as it needs to be called before any output is sent to the browser. If session_start() is c...

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

The "headers already sent" error in PHP scripts occurs when the server tries to send headers (like cookies or redirects) after content has already bee...

What is the difference between print and echo in PHP?

The main difference between print and echo in PHP is that print can only output one value at a time, while echo can output multiple values separated b...