# posix_getcwd

(PHP 4, PHP 5, PHP 7)

posix_getcwd — Pathname of current directory

### 说明

posix_getcwd ( void ) : string

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()

### 返回值

Returns a string of the absolute pathname on success. On error, returns `FALSE` and sets errno which can be checked with posix_get_last_error().

### 范例

Example #1 posix_getcwd() example

This example will return the absolute path of the current working directory of the script.

    <?php
    echo 'My current working directory is '.posix_getcwd();
    ?>

### 注释

> Note:

> This function can fail on

> - Read or Search permission was denied
> - Pathname no longer exists