一旦它通过引用被传递进去，这个方法就能改变数组里的值。
Since this passed in by reference, this method can change the values in the array.
利用PHPforeach循环很容易改变数组的格式，以用HTML显示出来。
The foreach loop in PHP makes it easy to reformat this array for HTML display.
另一方面，它提供了比C更多的错误检查，并且，做为一门非常高级的语言，它拥有内置的高级数据类型，例如可变数组和字典，如果通过C 来实现的话，这些工作可能让你大干上几天的时间。
On the other hand, Python also offers much more error checking than C, and, being a very-high-level language, it has high-level data types built in, such as flexible arrays and dictionaries.
另一方面，它提供了比C更多的错误检查，并且，做为一门非常高级的语言，它拥有内置的高级数据类型，例如可变数组和字典，如果通过C 来实现的话，这些工作可能让你大干上几天的时间。
On the other hand, Python also offers much more error checking than C, and, being a very-high-level language, it has high-level data types built in, such as flexible arrays and dictionaries.
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