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This article mainly introduces php how to define linux and window common file separation symbols, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

How to define file delimiters common to linux and window

DIRECTORY_SEPARATOR:

Directory delimiters, which are built-in constants that define php. On debugging machines, we habitually use "\" as the file delimiter on windows, but the system does not recognize this identity on linux, so we will introduce this php built-in constant: DIRECTORY_SEPARATOR.

In this way, there is no need to judge whether it is in linux or window system.

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