Search results for: "user online status"
In what scenarios should PHP developers avoid including files based on user-supplied input to ensure the security of their applications?
PHP developers should avoid including files based on user-supplied input to prevent potential security vulnerabilities such as remote code execution....
How can a PHP script maintain the same session ID for a user who has cookies disabled and reloads the browser?
When a user has cookies disabled, PHP can maintain the same session ID by passing the session ID in the URL parameters. This way, even if the user rel...
In what situations should var_export be used in PHP for handling user input data in configuration files?
When handling user input data in configuration files in PHP, it is important to properly sanitize and validate the input to prevent security vulnerabi...
What are some potential security risks associated with outputting user-generated data in HTML tables using PHP?
One potential security risk associated with outputting user-generated data in HTML tables using PHP is the possibility of Cross-Site Scripting (XSS) a...
How can the FIND_IN_SET function be used to sort query results based on user selections in PHP?
When users make selections in a web application, we may need to sort query results based on those selections. The FIND_IN_SET function in MySQL can be...