用PHP完整的网站开发视频教程最新版本

### Introduction A clear goal orientation is crucial for learning PHP effectively, providing both motivation and direction. Approximately 30% of PHP developers (PHPer) abandon or suspend their learning midway due to a lack of a defined direction. #### 1. Essential Knowledge for PHPer - Proficiency in basic functions, statements, arrays, functions, operations, and object-oriented knowledge. - Familiarity with either the Cookie or Session mechanism. #### 2. General PHP Development Process - Requ