Search results for: "$_SESSION variable"

What are the potential risks of accessing protected variables in the global $_SESSION variable in PHP?

Accessing protected variables in the global $_SESSION variable in PHP can lead to security vulnerabilities as it exposes sensitive data to potential m...

What are the limitations of storing objects directly in the $_SESSION variable without serialization in PHP?

Storing objects directly in the $_SESSION variable without serialization can lead to unexpected behavior or data loss due to the way PHP handles objec...

How can undefined variable errors be prevented when using $_SESSION in PHP?

When using $_SESSION in PHP, undefined variable errors can be prevented by checking if the session variable is set before trying to access it. This ca...

How can the use of $_SESSION superglobal variable improve session handling in PHP compared to custom session handlers?

Using the $_SESSION superglobal variable in PHP can improve session handling compared to custom session handlers by simplifying the process of storing...

How can cookies be used to set a $_SESSION variable in PHP when using AJAX?

When using AJAX to make requests to a PHP script, cookies cannot directly set a $_SESSION variable because the session has already been started. Howev...