SplFileInfo
PHP 手册

SplFileInfo::getRealPath

(PHP 5 >= 5.2.2)

SplFileInfo::getRealPath — Gets absolute path to file

说明

public string SplFileInfo::getRealPath ( void )

This method expands all symbolic links, resolves relative references and returns the real path to the file.

参数

This function has no parameters.

返回值

Returns the path to the file.

范例

Example #1 SplFileInfo::getRealPath() example

<?php
$info = new SplFileInfo('/..//./../../'.__FILE__);
var_dump($info->getRealPath());

$info = new SplFileInfo('/tmp');
var_dump($info->getRealPath());
?>

上例的输出类似于：

string(28) "/private/tmp/phptempfile.php" 
string(12) "/private/tmp"

参见

SplFileInfo
PHP 手册