Authentication providers may allow reading user identity information from an environment variable or some binary token.
身份验证提供者可能允许从环境变量或某个二进制令牌读取用户身份信息。
2
Let's start by looking at a common technique in many PHP applications: placing certain kinds of information in variable assignment statements at the top of the program.
让我们首先查看许多PHP应用程序中的一项常用技术；将某些种类的信息存入程序开头的变量赋值语句中。
3
The batch file contains additional information for each environment variable.