How PHP uses the dirname () function

Editor to share with you how PHP uses the dirname () function, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Dirname ();-- returns the directory portion of the path

String dirname (string $path) / / gives a string that contains the full path to a file, and this function returns the directory name after the file name is removed.

Parameter: path, a path. In Windows, both the slash (/) and the backslash (\) can be used as directory separators. In other environments, it is a slash (/).

Return value: returns the parent directory of path. If there is no slash in path, a dot ('.') is returned, indicating the current directory. Otherwise, the string after removing the / component (the last slash and the following part) at the end of the path is returned.

$path ='d _

"; echo basename ($path,'.txt'); echo"

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