The Reform of Vocational Colleges' Teaching Method in the Age of Big Data -- Based on PHP Programming

In the big data era, due to the disadvantages of traditional PHP Programming teaching, the author thinks that the teacher's teaching method should be improved. The improvement strategies are as follows: Step 1: collection and analysis of data before teaching -- before teaching, the teacher should firstly know about students' mastery of leading courses, Step 2: analysis and prediction of students' learning behavior during teaching- the teacher can update his teaching schedule and strategies by analyzing the data from teaching platform, Step 3: Evaluation of students' learning after teaching -- the teacher can offer guidance individually so as to teach students according to their aptitude. The kind of data collection, data analysis, experience summary and intensive training process is also a process of improving students' learning efficiency and teachers' professional competence. According to the feedback from students, the new teaching method produces a remarkable effect and those graduates who go in for website development have been highly thought of by employing units.