files.php

完美的在线教育系统

<?php
/**
 * File Utilities.
 * @author $Author: Wei Zhuo $
 * @version $Id: Files.php 26 2004-03-31 02:35:21Z Wei Zhuo $
 * @package ImageManager
 */

define('FILE_ERROR_NO_SOURCE', 100);
define('FILE_ERROR_COPY_FAILED', 101);
define('FILE_ERROR_DST_DIR_FAILED', 102);
define('FILE_COPY_OK', 103);

/**
 * File Utilities
 * @author $Author: Wei Zhuo $
 * @version $Id: Files.php 26 2004-03-31 02:35:21Z Wei Zhuo $
 * @package ImageManager
 * @subpackage files
 */
class Files 
{
	
	/**
	 * Copy a file from source to destination. If unique == true, then if
	 * the destination exists, it will be renamed by appending an increamenting 
	 * counting number.
	 * @param string $source where the file is from, full path to the files required
	 * @param string $destination_file name of the new file, just the filename
	 * @param string $destination_dir where the files, just the destination dir,
	 * e.g., /www/html/gallery/
	 * @param boolean $unique create unique destination file if true.
	 * @return string the new copied filename, else error if anything goes bad.
	 */
	function copyFile($source, $destination_dir, $destination_file, $unique=true) 
	{
		
		$destination_file=utf8_decode($destination_file);
		$destination_file= strtr($destination_file,"懒旅呐噌忏溴矣哉重蝮趱鲽壬仕栝觌晴掏蜗祉铒仝圮