basename Returns filename component of path stringbasename stringpath stringsuffix Given a string containing a path to a file, this function will return the base name of the file. If the filename ends in suffix this will also be cut off. On Windows, both slash (/) and backslash (\) are used as directory separator character. In other environments, it is the forward slash (/). ]]> The suffix parameter was added in PHP 4.1.0. See also dirname.