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(PHP 5 >= 5.2.2)
SplFileInfo::getRealPath — Gets absolute path to file
This method expands all symbolic links, resolves relative references and returns the real path to the file.
此函数没有参数。
Returns the path to the file, or FALSE
if the file does not exist.
Example #1 SplFileInfo::getRealPath() example
<?php
$info = new SplFileInfo ( '/..//./../../' . __FILE__ );
var_dump ( $info -> getRealPath ());
$info = new SplFileInfo ( '/tmp' );
var_dump ( $info -> getRealPath ());
$info = new SplFileInfo ( '/I/Do/Not/Exist' );
var_dump ( $info -> getRealPath ());
$info = new SplFileInfo ( "" );
var_dump ( $info -> getRealPath ());
?>
以上例程的输出类似于:
string(28) "/private/tmp/phptempfile.php" string(12) "/private/tmp" bool(false) string(12) "/private/tmp"