<?php
/*

	Function: dir_exists v0.1
	http://zhuoqe.org/svn/codeyard/trunk/php/functions/dir_exists.func.php
	
	Created by Jim Myhrberg (jim@zhuoqe.org).
	
	Legal: Use for whatever/however you like, at your own risk of course ;)
	
	I created this for a simple and quick way to check if a directory
	exists, and if not attempt to create it, even recursively, on PHP4 & 5.

*/


/**
 * Directory Exists?
 * @param   dir             directory in question
 * @param   try_to_create   attempt to create dir if it doesn't exist, works recursively
 * @param   create_mode     default permissions mode (chmod) for created directories
 * @return  true or false
 */
function dir_exists ($dir, $try_to_create = true, $create_mode = 0777) {
	if ( is_dir($dir) ) {
		return true;
	} elseif ( $try_to_create ) {
		if ( PHP_VERSION >= 5 ) {
			mkdir($dir, $create_mode, true);
		} else {
			$parts = explode('/', trim($dir, '/'));
			$current = ( substr($dir, 0, 1) == '/' ) ? '/' : '' ;
			foreach( $parts as $key => $value ) {
				$current .= $value.'/';
				if ( !is_dir($current) ) {
					if ( !mkdir($current, $create_mode) ) {
						return false;
					}
				}
			}
		}
		if ( is_dir($dir) ) {
			return true;
		}
	}
	return false;
}


?>