Slide 1: Introduction to PHP Performance. Slide 2: Key Performance Metrics. Slide 3: Understanding the PHP Lifecycle. Slide 4: Optimizing PHP Code. Slide 5: Caching Strategies for PHP. Slide 6: Profiling & Benchmarking Tools. Slide 7: Asynchronous Processing in PHP. Slide 8: Scaling PHP Applications. Slide 9: Monitoring & Real-Time Analytics. Slide 10: Conclusion & Best Practices