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Description

string realpath ( string $path )

realpath() expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the input path . and return the canonicalized absolute pathname.

Parameters

path: The path being checked.

Return Values

Returns the canonicalized absolute pathname on success. The resulting path will have no symbolic link, '/./' or '/../' components.

realpath() returns FALSE on failure, e.g. if the file does not exist. On BSD systems realpath() doesn't fail if only the last path component doesn't exist, while other systems will return FALSE.

Examples

Example #1 realpath() example

 <?php
chdir('/var/www/');
echo realpath('./../../etc/passwd');
?>

The above example will output:

  /etc/passwd

Example #2 realpath() on Windows

On windows realpath() will change unix style paths to windows style.

 <?php
echo realpath('/windows/system32');
?>

The above example will output:

  C:\WINDOWS\System32

realpath

Description

Parameters

Return Values

Examples

See Also