From the GNU getcwd(3) manpage, paraphrased: returns the absolute pathname of the current working directory. Fails when the current directory is not eradable. Complies with POSIX.1 spec.
(PHP 4, PHP 5, PHP 7)
posix_getcwd — Pathname of current directory
Gets the absolute pathname of the script's current working directory. On error, it sets errno which can be checked using posix_get_last_error()
Example #1 posix_getcwd() example
This example will return the absolute path of the current working directory of the script.
echo 'My current working directory is '.posix_getcwd();
This function can fail on
- Read or Search permission was denied
- Pathname no longer exists