如果用户在尝试访问这个资源时还没有经过身份验证，那么用户会收到401状态码，应用程序可以提供一个特殊的错误处理函数来处理这种情况。
If a user is not authenticated when trying to access this resource, the user will receive a 401 status code and the application can provide a special error handler to deal with that condition.
在我们的场景中，在执行数据库操作之后，要使用另外两个函数进行错误处理。
In our exercise, you'll be using two more functions to do error processing after a database operation.
在这个程序中，我们添加了另一个用于错误处理的函数。
In this program, we add another function for error handling.
c：主程序，以及一些进行输入、输出和错误处理的函数。
Ccalc.c: The main program and some functions for input, output, and error processing.
要完成错误处理，您需要添加几个便利函数，帮助开发人员在XForms开发中使用PHP。
To top off the error handling you'll add several convenience functions that will assist developers in their XForms development using PHP.
通过成功处理程序和错误处理程序函数执行查询。
The query is executed with a success handler and an error handler function.
实现在存储过程，事务处理，触发器和用户定义函数中的错误处理。
Pass and return parameters to and from stored procedures and user-defined functions.
实现在存储过程，事务处理，触发器和用户定义函数中的错误处理。
Implement error handling in stored procedures, transactions, triggers, and user-defined functions.
在手册的错误处理和日志函数介绍一节，你可以找到更多信息和错误报告选项。
You can find more information and error reporting options in the manual's error Handling and Logging Functions Introduction section.
在手册的错误处理和日志函数介绍一节，你可以找到更多信息和错误报告选项。
You can find more information and error reporting options in the manual's error Handling and Logging Functions Introduction section.
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