(PHP 5 >= 5.1.2, PHP 7)
SplFileInfo::getPath — Gets the path without filename
Returns the path to the file, omitting the filename and any trailing slash.
此函数没有参数。
Returns the path to the file.
Example #1 SplFileInfo::getPath() example
<?php
$info = new SplFileInfo('/usr/bin/php');
var_dump($info->getPath());
$info = new SplFileInfo('/usr/');
var_dump($info->getPath());?>
以上例程的输出类似于：
string(8) "/usr/bin" string(4) "/usr"