php 优化数据库访问
In this screencast I explain how to connect and extract data from a database using PHP, touching on topics like, PHP Data Objects (PDO), preventing SQL injection, and finally extracting your data in variety of different formats (as arrays, classes, or objects).
在此截屏视频中，我将说明如何使用PHP连接和从数据库中提取数据，涉及诸如PHP数据对象(PDO)之类的主题，防止SQL注入，最后提取各种不同格式的数据(如数组，类或对象)。
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php 优化数据库访问
