Learn how to sanitize user input to avoid SQL injection, XSS, and command injection attacks. ... For example, in PHP, you can use escapeshellcmd or escapeshellarg to filter user input.

User input and output are essential components of any web application, but they also pose significant security and usability risks. If you don't validate and sanitize them properly, you may expose ...

Text UI is a development library that provides classes for text-based input and output. It has two main categories of classes: TextUI\Input for user input, and TextUI\Output for displaying output to ...

Shortest Path (Dijkstra’s Algorithm) with User Input in PHP/HTML. Recently I needed to calculate the shortest path from point to point, I did some research and discovered Dijkstra’s Algorithm. After ...