Search results for: "variable contamination"

Why does unset($_SESSION['variable']) not always delete the session variable in PHP?

When using unset($_SESSION['variable']), the session variable may not always be deleted because the session needs to be explicitly destroyed for the c...

What is a common method to pass a JavaScript variable to a PHP session variable?

To pass a JavaScript variable to a PHP session variable, you can use AJAX to send the variable to a PHP script that will then set the session variable...

What is the potential issue with using variable variable names in PHP?

Using variable variable names in PHP can make code harder to read and maintain, as it can be difficult to track the values of dynamically named variab...

How can proper variable assignment and initialization prevent undefined variable errors in PHP code?

Improper variable assignment and initialization can lead to undefined variable errors in PHP code. To prevent this, always make sure to assign a value...

How can variable concatenation be used in PHP to dynamically generate variable names?

Variable concatenation in PHP can be used to dynamically generate variable names by combining a base variable name with a dynamic value. This can be u...