Resolves the role of DIRECTORY_SEPARATOR and PATH_SEPARATOR constants in PHP

2020-06-15 07:59:33
OfStack

One is DIRECTORY_SEPARATOR

DIRECTORY_SEPARATOR: Path separator, '/' on linux,' \' on windows

One is PATH_SEPARATOR

PATH_SEPARATOR: include USES multiple paths. Under windows, when you want include to use multiple paths, you use "; ". Separated, but used under linux as ":" separated.

The use of these two constants can avoid the compatibility problems of different platforms

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