PHP/File Directory/dirname

dirname.php

 
<?php
   $path = "/home/www/data/users.txt";
   $dirname = dirname($path); // $dirname contains "/home/www/data"
?>

Use dirname() with predefined variable $SCRIPT_FILENAME to obtain the complete path of the script executing the command

 
<?
   $dir = dirname($SCRIPT_FILENAME);
   print $dir;
?>