(PHP 5 >= 5.2.2)
SplFileInfo::getBasename — Gets the base name of the file
This method returns the base name of the file, directory, or link without path info.
Optional suffix to omit from the base name returned.
Returns the base name without path information.
Example #1 SplFileInfo::getBasename() example
<?php
$info = new SplFileInfo('file.txt');
var_dump($info->getbaseName());
$info = new SplFileInfo('/path/to/file.txt');
var_dump($info->getbaseName());
$info = new SplFileInfo('/path/to/file.txt');
var_dump($info->getbaseName('.txt'));
?>
上例的输出类似于：
string(8) "file.txt" string(8) "file.txt" string(4) "file"