This live course is the most comprehensive introduction to PHP. 1. The ability to understand the PHP language can help users learn from their strengths and weaknesses when designing projects; 2. Understand the application development direction of the industry and whether the direction of choice and efforts is correct; 3. Understand the development process of PHP and determine its future direction; 4. Understanding the latest PHP technology can shorten the user learning and development cycle. Under the guidance and experience sharing of experts, you can quickly find learning shortcuts and enter the PHP language fast lane.