[TOC] ## 示例 ## dirname 获取父路径 ``` echo dirname("/usr/local/lib") . PHP_EOL; // /usr/local echo dirname("/usr/local/lib", 2) . PHP_EOL; // /usr ``` ## basename 基础文件 ``` echo basename("/home/janbodnar/prog/phpfiles/myfile.txt") . PHP_EOL; // myfile.txt echo basename("/home/janbodnar/prog/phpfiles/myfile.txt", ".txt") . PHP_EOL; // myfile ```