# 0.5.0

**0.5.0 - Mar 2025**

**Artificial Intelligence**

* Expanded **Overview of AI** with a discussion on *"Will AI Take Over the World?"*
* Added **AI Capabilities in PHP**, including:
  * Overview of AI libraries in PHP
  * Introduction to LLM Agents PHP SDK
* Detailed **Theoretical Foundations of AI**:
  * Search Algorithms: Uninformed, Informed, and Local Search (e.g., Hill Climbing Search with PHP implementation & best practices)
  * Knowledge Representation in AI: Types, KR Cycle, and Knowledge-Based Agents
* Introduction to **AI Agents** and their applications in PHP, featuring:
  * Site Status Checker Agent
  * Sales Analyst Agent

**Machine Learning**

* Introduced **ML Capabilities in PHP**, covering key libraries
* Expanded **Mathematics for ML** with:
  * Linear Algebra concepts (Scalars, Vectors, and Matrices) with PHP examples
* Added **ML Algorithms**:
  * Classification by learning types and model depth
  * Supervised learning with a focus on Linear Regression

**Neural Networks**

* Defined **Basic Components of NN**, including:
  * Inputs, Connections, Weights, and Activation Functions
* Outlined **Problems and Challenges in Neural Networks**
