Choosing a name that explains the purpose of a function (as well as reducing the number of arguments the function takes) is a good way to ensure ease of use.

选择一个能够说明函数用途的名称(并减少函数使用的参数数量)是确保易于使用的一个好方法。

youdao

The above example is a good use case for closures: It USES one of the 18 standard PHP array functions that take a function as a parameter (such as array_walk, usort, and array_app).

以上示例是closures很好的使用例子：它采用18个标准php阵列函数之一，它将函数作为参数(比如array_walk、usort、和array_app)。

youdao

This function, since it calls itself, makes very good use of stack frames. Let's look at how the factorial function would work in assembly language (enter as factorial.s)

这个函数，从它调用自己开始，就很好地使用了堆栈帧。

youdao