Code Snippets Library
A collection of useful, modern, and community-contributed code snippets.
Reviving a Vulnerable PHP Guestbook
This ancient PHP guestbook script demonstrates common vulnerabilities from the early 2000s. It showcases how simple inputs can lead to significant security risks.
Language: php
Published: July 24, 2025
Python Context Manager for File Handling
This Python snippet demonstrates how to create a custom context manager for robust file handling. It uses the `__enter__` and `__exit__` methods to automatically manage resource allocation and deallocation, ensuring files are always closed even if exceptions occur during operations. This pattern promotes cleaner and safer code by centralizing setup and teardown logic.
Language: python
Published: July 24, 2025
Python List Comprehension for Filtering
This snippet demonstrates list comprehension in Python, a concise way to create lists. It filters a list of numbers to include only even numbers.
Language: python
Published: July 22, 2025
Revived Vulnerable PHP User Registration
This ancient PHP script handles user registration, demonstrating severe security flaws and outdated practices. It was likely part of a forgotten web application from the early 2000s.
Language: php
Published: July 22, 2025
Python List Comprehension for Squares
This snippet demonstrates list comprehension in Python, a concise way to create lists. It generates a list of squares from a range of numbers.
Language: python
Published: July 22, 2025