If you have any questions, add WeChat: Le-studyg; in the course, we will first understand the background and characteristics of the PHP language, as well as the role and working principle of the PHP interpreter. Next, we will analyze the core components of the PHP interpreter in detail, such as lexical analysis, syntax analysis, virtual machine, etc., and gain an in-depth understanding of its internal implementation mechanism. In addition, the course will also introduce how to use C language to write various modules of the PHP interpreter, including lexical analyzer, syntax analyzer, virtual machine, etc. Through practical projects, students will personally implement a simple PHP interpreter and deepen their understanding of the PHP interpreter source code. Through the study of this course, students will be able to deeply understand the working principle and internal implementation mechanism of the PHP interpreter, and master the methods and techniques of writing PHP interpreters using C language. At the same time, students will also develop their ability to analyze and solve problems, and improve their programming skills and project practice capabilities. Whether you are a beginner who is interested in the PHP language or a developer who wants to have a deeper understanding of the internal mechanisms of the PHP interpreter, this course will provide you with valuable experience and inspiration. Let us explore the mysteries of the PHP interpreter and start the programming journey!