例子代码:
<?php
$f='/www/htdocs/index.html';
$path_parts = pathinfo($f);
echo $path_parts['dirname'], " ";
echo $path_parts['basename'], " ";
echo $path_parts['extension'], " "; //你需要的就是这个,对吧?
echo $path_parts['filename'], " ";
?>
判断是否文件夹,要使用函数is_file,返回false的就是文件夹,例如:
<?php
var_dump(is_file('a_file.txt')) . " ";
var_dump(is_file('/usr/bin/')) . " ";
?>