Search results for: "session_start()"

How can one troubleshoot and resolve the session_start error in PHP?

The "session_start" error in PHP usually occurs when the session has already been started elsewhere in the code before calling session_start again. To...

What are potential issues with outputting characters before the session_start() function in PHP?

Outputting characters before the session_start() function in PHP can cause headers already sent errors, as session_start() sends headers to the browse...

Why is it recommended to place session_start() before any HTML code in PHP?

Placing session_start() before any HTML code in PHP is recommended because session_start() must be called before any output is sent to the browser. Th...

What are the potential pitfalls of using session_start() in PHP?

One potential pitfall of using session_start() in PHP is that it must be called before any output is sent to the browser. If output is sent before ses...

How does session_start() initialize custom $_SESSION variables in PHP?

When using session_start() in PHP, custom $_SESSION variables can be initialized by assigning values to them directly after calling session_start(). T...