Search results for: "SQL injection."

What are some common pitfalls to avoid when writing registration scripts in PHP?

One common pitfall to avoid when writing registration scripts in PHP is not properly sanitizing user input, which can leave the application vulnerable...

What are the potential pitfalls of using PHP to dynamically generate options for a select element from a database query?

One potential pitfall of using PHP to dynamically generate options for a select element from a database query is the risk of SQL injection if the inpu...

What are some best practices for ensuring that data retrieved from a database via AJAX requests is accurately processed and displayed in PHP applications?

When retrieving data from a database via AJAX requests in PHP applications, it is essential to properly sanitize and validate the data to prevent SQL...

What potential problem can arise from using the mysql_query function in PHP for database queries?

One potential problem that can arise from using the mysql_query function in PHP is that it is deprecated as of PHP 5.5.0 and removed in PHP 7.0.0. Thi...

What security measures should be implemented when processing form data with PHP?

When processing form data with PHP, it is important to implement security measures to prevent common vulnerabilities such as SQL injection, cross-site...