PHP提取SVN信息并上传到FTP

<?php
/**
 *
 * PHP提取SVN信息并上传到FTP
 * $RCSfile: svn.php $
 * $Author: Steven.liao 青剑
 * $Revision: 1.0.0 $
 * $Date: 2008/03/12 21:50:00 $
 */

/*得到精确时间*/
function getmicrotime(){
 list($usec, $sec) = explode(" ",microtime());
 return ((float)$usec + (float)$sec);
}
function get_use_time(){
	global $time_start;
	$time_end = getmicrotime();
	$times = $time_end - $time_start;
	$use_time =  "<br />用时:". $times ."秒<br />";
	return $use_time;
}
function replace_path($str){
	$str = str_replace('\\/','\\',$str);
	$str = str_replace('/','\\',$str);
	return $str;
}
set_time_limit(0);
header("Content-type:text/html; charset=utf-8");
flush();
$time_start = getmicrotime(); //计算时间开始
echo 'start...';
flush();

$ftpserver = 'www.site.com';//ftp server
$ftpuser = '';//ftp user name
$ftppassword = '';//ftp user password
$svnrepository = "d:\\wwwroot\\";//版本库副本所在的路径
$svnbinpath = "D:\\Program Files\\CollabNet\\Subversion Client\\svn.exe";//svn可执行文件路径
$subdir = '';  

if($v1 = $_GET['s'])
{//版本号   

        $r = array();//执行外面svn命令返回的信息数组
        $f = array();//匹配文件
        $fa = array();//所有需上传的匹配文件
        if($v2 = $_GET['e'])
        {//至版本号(从起始版本号至版本号所有文件)
            exec('"'.$svnbinpath."\" log $svnrepository -r {$v1}:{$v2} -q -v",$r,$return);  

        }
        else
        {//单版本号
            exec('"'.$svnbinpath."\" log $svnrepository -r {$v1} -q -v",$r,$return);
        }  

    foreach($r as $value)
    {
        if(preg_match("/^[ ]*[AM]{1} (\/.+)$/i",$value,$f))
        {//符合文件更新规则的文件名放入上传数组
            $fa[] = $f[1];
        }
    }
    echo "版本: $v1 ".(($v2)?" - $v2":'')."需要上传的文件:\n<br>";
    foreach($fa as $value)
    {
        echo  replace_path($svnrepository.$value)."\n<br>";
    }
	//exit(); 

    if($fa)
    {
        $conn_id = ftp_connect($ftpserver);
        $login_result = ftp_login($conn_id,$ftpuser,$ftppassword);
        if ((!$conn_id) || (!$login_result))
        {
                echo "FTP connection has failed! :(\n<br>";
                exit();
        }
        else
        {
                echo "\n<br>Connected to $ftpserver ftp\n<br>";
        }   

	     echo "\n<br>Current directory: " . ftp_pwd($conn_id) . "\n";
		if($subdir){
			if (ftp_chdir($conn_id, $subdir)) {
				echo "Current directory is now: " . ftp_pwd($conn_id) . "\n";
			} else {
				echo "Couldn't change directory\n";
			}
		}
        foreach($fa as $value)
        {
			$remote_path =  './'.str_replace('\\','/',$value);
			$local_path = replace_path($svnrepository.$value);
            $upload = ftp_put($conn_id,$remote_path, $local_path, FTP_BINARY);
            if($upload)
            {
               // echo "upload $value succeed :)\n<br>";
                echo "upload $remote_path <strong>from</strong> $local_path succeed :)\n<br>";
            }
            else
            {
                echo "upload $value failed :(\n<br>";
            }
			flush();
        }
        echo "upload completed";
        ftp_close($conn_id);
    }
	flush();
}
else
{//无参数提示
    ?>
    请输入版本号参数s,如需连续多个版本则加上参数e
	<form action="" method="get">
      <p>版本库</p>
      <p>从:
        <input name="s" value="" size="5" />
        </p>
      <p>到:
        <input name="e" value="" size="5" />
     (不填也可以)   </p>
      <p>
        <input name="sub" value="开始上传" type="submit" />

          </p>
	</form>
	<?
}
?>