Search results for: "$_SESSION variable"

What are the best practices for sanitizing user input in PHP to prevent certain characters from being stored in variables?

To sanitize user input in PHP and prevent certain characters from being stored in variables, you can use the `filter_var` function with the `FILTER_SA...

How can a while loop be effectively used to iterate through an array and include its contents in an email message in PHP?

To iterate through an array and include its contents in an email message in PHP, you can use a while loop to loop through each element of the array an...

Is it possible to copy text from a text field to the client's memory using PHP?

Yes, it is possible to copy text from a text field to the client's memory using PHP by utilizing the PHP session functionality. You can store the text...

What are common debugging techniques for resolving PHP script errors, especially when no error messages are displayed?

When no error messages are displayed in PHP scripts, common debugging techniques include checking for syntax errors, ensuring error reporting is enabl...

What are the potential security risks of using register_globals in PHP scripts, and how can developers mitigate these risks?

Using register_globals in PHP scripts can lead to security vulnerabilities such as injection attacks and unauthorized variable manipulation. Developer...