关于FTP上传文件有关问题

<?php<br />class Ftp {<br />	var $host;<br />	var $user;<br />	var $pswd;<br />	var $connectId = null;<br />	var $loginId = null;<br />		<br />	function Ftp($host, $user, $pswd, $timeout=900){<br />		if($host) {<br />			$this->host = $host;<br />		}<br />		if($user) {<br />			$this->user = $user;<br />		}<br />		if($pswd) {<br />			$this->pswd = $pswd;<br />		}<br />		if(!$this->connectId = @ftp_connect($this->host)) {<br />			$this->error("");<br />		}<br />		else {<br />			//echo 'connect is ok<br />';<br />		}<br />		if(!$this->loginId = @ftp_login($this->connectId, $this->user, $this->pswd)){<br />			$this->error("");<br />		}<br />		else {<br />			if(@ftp_pasv($this->connectId, true)) {<br />				//echo 'pasv mode is open<br />';<br />			}<br />			//echo 'login successful<br />';<br />		}<br />		@ftp_set_option($this->connectId, FTP_TIMEOUT_SEC, $timeout);<br />	}<br />	<br />	function chdir($targetDir) {<br />		return @ftp_chdir($this->connectId, $targetDir);<br />	}<br />	<br />	function put($sourceFile, $targetFile, $ftpType=FTP_BINARY) {<br />		return @ftp_put($this->connectId, $targetFile, $sourceFile, $ftpType);<br />	}<br />	function chmod($file, $pr=0777){<br />		return @ftp_chmod($this->connectId, $pr, $file);<br />	}<br />	function mkdir($dirName=''){<br />		if(!$dirName) {<br />			return false;<br />		}<br />		else {<br />			return @ftp_mkdir($this->connectId, $dirName);<br />		}<br />	}<br />	<br />	function exec($cmd=''){ //for some unsafe system<br />		if(!$cmd){<br />			return false;<br />		}<br />		return @ftp_exec($this->connectId, $cmd);<br />	}<br />	<br />	function ls($pwd='./') {<br />		return @ftp_nlist($this->connectId, $pwd);<br />	}<br />	<br />	function pwd() {<br />		return @ftp_pwd($this->connectId);<br />	}<br />	<br />	function rmFile($file) {<br />		return @ftp_delete($this->connectId, $file);<br />	}<br />	<br />	function close(){<br />		return @ftp_close($this->connectId);<br />	}<br />	<br />	function error($errorMsg) {<br />		//echo "<pre class="brush:php;toolbar:false">";<br />		print_r($errorMsg);<br />		//echo "

  $ftp = new Ftp($row['ftpHost'], $row['ftpUser'], $row['ftpPswd']);<br>	        if($ftp->loginId) {<br>	        	<br>		        	$webRoot = WEB_ROOT;<br>	        	<br>	            $res=$ftp->put(APP_ROOT. "upload". "/". $fileName, $webRoot. $fileName);<br>	            $res=$ftp->put(APP_ROOT."database.php", $webRoot."database.php");<br>	            $res=$ftp->put(APP_ROOT."wp-config.php", $webRoot."wp-config.php");<div class="clear">
                 
              
              
        
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