Tips in PHP

Explore all tips and tutorials about PHP.

PHP Medium

LRU Cache: Design an O(1) Cache with a Doubly Linked List and Hash Map

How to design an LRU cache that supports get and put in O(1) time using a hash map paired with a doubly linked list, with a working PHP implementation and a hands-on coding challenge.

PHP 8.4

Diagram Try the challenge

4 min read · 122 Read tip

PHP Easy

Preventing SQL Injection in PHP

Learn essential techniques to protect your PHP applications from SQL injection attacks.

PHP 8.0+

Diagram

2 min read · 1,091 Read tip

PHP Medium

PHP 8.4 Property Hooks Explained

Discover the new property hooks feature in PHP 8.4 that provides a cleaner way to add logic to property access.

PHP 8.4

1 min read · 1,403 Read tip