(PHP 5 >= 5.2.2, PHP 7)
SplFileInfo::getRealPath — Gets absolute path to file
This method expands all symbolic links, resolves relative references and returns the real path to the file.
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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());
$info = new SplFileInfo('php://output');
var_dump($info->getRealPath());
$info = new SplFileInfo("");
var_dump($info->getRealPath());
?>
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string(28) "/private/tmp/phptempfile.php" string(12) "/private/tmp" bool(false) bool(false) string(12) "/private/tmp"