函数地作用是：返回子字符串可以。
然而，肆无忌惮地使用该函数是非常危险的。
However, it is very dangerous to use this function without care.
这个函数允许您方便地透视文档中的关系。
This function allows you to easily pivot a relationship in a document.
您可以使用此函数轻松地在PHP代码中创建实例声明。
This function allows you to easily create instance declarations from within your PHP code.
选择的名称应当能很好地提示函数的功能。
The name you choose should provide a good hint about what the function does.
采用类似的方式，您可以使用以下函数，逐段地从抽象缓冲区读取数据段。
In a similar fashion, you can read data segments off segment by segment from an abstract buffer with the following function.
spotLight函数可以更多地控制聚光灯。
The spotLight function adds a spotlight with considerable controls.
在手工重置事件(manual reset event)中，对象的状态会一直维持为有信号状态，直到使用ResetEvent函数显式地重新设置它为止。
In the manual reset event, the state of the object remains signaled until explicitly reset using the ResetEvent function.
Specificname：惟一地识别函数的特定名称。
Specific name: a specific name that uniquely identifies the function.
理想情况下，应该使用这些函数更好地执行字符串操作，将更多的应用程序逻辑植入sql层而不是在应用程序中实现这些逻辑。
Ideally, you should be using these functions to do string manipulations better and pushing more application logic into the SQL layer, rather than implementing the same logic in your application.
可以在简单的SQL查询中轻松地调用此函数。
This function can be easily invoked from a simple SQL query.
此函数将正确地过滤您的输入，因此它不包括无效字符。
This function properly scrubs your input so it doesn't include invalid characters.
与输入函数类似，您可以使用输出函数轻松地在PHP代码中创建输出标记。
Like, the input function, the output function allows you to easily create output tags in your PHP code.
在本文中，您将了解如何在php中明智地使用函数。
In this article you'll see how to use functions in PHP wisely.
就像其他类型一样，可以方便地将函数赋给变量，不需要特殊的语法。
You can assign functions to variables as easily as any other type; there is no special syntax.
但是实际上，可以用很简单的包装器函数轻松地实现基于继承的MRO。
In point of fact, you can perfectly easily implement inheritance-based MROs with a minimal wrapper functions.
因此，也可以在析构函数中安全地使用断言。
Thus, the assertions can be used safely in destructors, too.
实现这个目的的最简单方法就是使用XMLTABLE的sql函数，该函数可以准确地描述如何以关系(或表)格式检索XML数据。
The simplest way to do this is through an SQL function called XMLTABLE, which concisely describes how to retrieve XML data in relational (or table) format.
特别地，函数式编程语言必须提供高阶和一流的函数，这是本文所定义的。
Specifically, functional programming languages must provide high-order and first-class functions, which this article defines.
当应用程序深入使用这些时间函数时，更有效地使用这些与时间有关的函数，可以改进程序的整体性能。
When the application makes an intensive use of timing functions, a more efficient implementation of the timing routines can improve the overall performance of the program.
这个函数能够干净地停止进程。
虚函数简单地向标准输出写一行文本。
The virtual functions simply write a line of text to standard output.
要准确快速地计算正弦函数和其他函数，需要非常仔细的算法，专门用于避免无意地将小的误差变成大的错误。
Proper calculations of sine and other functions that are both accurate and fast require very careful algorithms designed to avoid accidentally turning small errors into large ones.
后面会更详细地解释每个函数。
获悉标记何时加载的最好的方法是让标记返回的脚本调用函数而不是简单地加载数据。
The best way to know when a tag is loaded is to have the script that the tag returns call a function instead of simply loading data.
如果使用组合方法，你会发现：不需要太多的注释来描述方法的代码段(实际上函数方法要求有注释)，而且你能更好地命名函数。
If you use composed method, you'll find much less need to have comments to delineate sections of code within methods (actual method calls do that), and you'll find that you use better method names.
了解“关注点”对于决定如何紧密地联系函数和类十分重要。
Learning about "concerns" is important in determining how to organize functions and classes to be tightly cohesive.
在线程环境中，没有COBOL函数可以有效地执行STOPRUN 功能。
There is no COBOL function that effectively does a STOP RUN in a threaded environment.
这个函数简单地将元素标识符转换为一个指针，然后调用构造函数，将其他参数不加修改地传递给构造函数。
The function simply converts the element identifier into a pointer and then calls the constructor, passing the remaining arguments unchanged.
函数可以简单地应用于整个页面。
It's simply a function that will be applied to the entire page.
应用推荐