Is directoryseparator in PHP unnecessary?

Is it unnecessary to use directoryseparator when Windows and * unix systems are accepted for unified use? refer to the two articles about unnecessary: alanhogan. comtipsphp... us2.php. netmanualen... check whether it is necessary... windows accept // and \
* Accepted by the unix system/

Unified use/is it unnecessary to use directory separator?

For more information, see the following:

Http://alanhogan.com/tips/php...

Http://us2.php.net/manual/en...

Are you sure you don't need it?

Reply content:

Windows accept // and \
* Accepted by the unix system/

Unified use/is it unnecessary to use directory separator?

For more information, see the following:

Http://alanhogan.com/tips/php...

Http://us2.php.net/manual/en...

Are you sure you don't need it?

I have encountered a uniform path. I have not found any problems.

I don't think it is necessary.PHP_EOLIt is still useful. I don't know how to define each projectDS..
There is a reason that sounds quite reasonable: this is a good habit of code, just like writing when short tag is enabled. Same.

At the end of the first article you gave, this DS is required when you need to use the explode function to separate paths.