PHP的ftp文件，多文件上传操作类

<?php
/**
 * Created by PhpStorm.
 * ftp的文件操作类
 * User: xiaoxie
 * Date: 2018/5/7
 * Time: 17:44
 **/

namespace App\Tools;


class FtpFile
{
    static private $_instance=null;
     private $ftp = null;
     public $off;             // 返回操作状态(成功/失败)

    //私有的构造方法
    public  function __construct($config){
        //实例化
       $this->ftp = @ftp_connect($config['ftp_ip'],$config['ftp_port']) or die("FTP connection fail");
       //登录验证
       @ftp_login($this->ftp,$config['ftp_username'],$config['ftp_password']);
       //是否开启被动模式
        if (isset($config['ftp_pasv']))
        {
            @ftp_pasv($this->ftp,true);
        }
    }

    /**
     * Created by PhpStorm.
     * function: getInstance
     * Description:公有的静态方法
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @return FtpFile|null
     *
     */
    static public function getInstance($config){
        if(!(self::$_instance instanceof self)){
            self::$_instance = new FtpFile($config);
        }
        return self::$_instance;
    }

    /**
     * Created by PhpStorm.
     * function: up_file
     * Description:上传文件
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param $path 本地路径
     * @param $newpath  若目标目录不存在则新建
     * @param bool $type
     *
     */
    function up_file($path,$newpath,$type=true)
    {
        if($type) $this->dir_mkdirs($newpath);
        $this->off = @ftp_put($this->ftp,$newpath,$path,FTP_BINARY);
        if(!$this->off)
        {
            return "文件上传失败,请检查权限及路径是否正确！";
        }else{
            //删除文件
            unlink($path);
            return true;
        }
    }

    /**
     * Created by PhpStorm.
     * function: uploadFile
     * Description:多文件上传
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param array $files
     * @param bool $type
     * @return bool|void
     *
     */
    public function uploadFile($files=[],$type=true)
    {
        if (is_array($files))
        {
            foreach ($files as $key=>$file)
            {
                if($type)
                {
                    $this->dir_mkdirs($file);
                }
                $this->off = @ftp_put($this->ftp,$file,$key,FTP_BINARY);
                if(!$this->off)
                {
                     logs('ftp.txt',date('Y-m-d H:i:s').$file."文件上传错误");
                }else{
                    //删除文件
                    unlink($key);
                   // return true;
                }
            }
        }
        if(!$this->off)
        {
            //logs函数自定义日志
            logs('ftp.txt',date('Y-m-d H:i:s').$file."文件上传错误");
            return false;
        }else{
            return true;
        }
    }

    /**
     * Created by PhpStorm.
     * function: move_file
     * Description:移动文件 修改文件名
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param $path 原路径
     * @param $newpath 若目标目录不存在则新建
     * @param bool $type
     *
     */
    function move_file($path,$newpath,$type=true)
    {
        if($type) $this->dir_mkdirs($newpath);
        $this->off = @ftp_rename($this->ftp,$path,$newpath);
        if(!$this->off) {
            return "文件移动失败,请检查权限及原路径是否正确！";
        }else{
            return true;
        }
    }

    /**
     * Created by PhpStorm.
     * function: copy_file
     * Description:复制文件
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param $path原路径
     * @param $newpath 新路径
     * @param bool $type 若目标目录不存在则新建
     *
     */
    function copy_file($path,$newpath,$type=true)
    {
        $downpath = "/var/www/temp.txt";
        $this->off = @ftp_get($this->ftp,$downpath,$path,FTP_BINARY);// 下载 
        if(!$this->off) 
        {
            return "文件复制失败,请检查权限及原路径是否正确！";
        }
        $this->up_file($downpath,$newpath,$type);
    }

    /**
     * Created by PhpStorm.
     * function: del_file
     * Description:删除文件
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param $path
     *
     */
    function del_file($path)
    {
        $this->off = @ftp_delete($this->ftp,$path);
        if(!$this->off){
            return false;
        }
    }

    /**
     * Created by PhpStorm.
     * function: dir_mkdirs
     * Description:生成目录
     * User: Xiaoxie
     * Email 736214763@qq.com
     * @param $path 路径
     *
     */
    function dir_mkdirs($path)
    {
        $path_arr = explode('/',$path);       // 取目录数组 
        $file_name = array_pop($path_arr);      // 弹出文件名
        $path_div = count($path_arr);        // 取层数 

        foreach($path_arr as $val)          // 创建目录 
        {
            if(@ftp_chdir($this->ftp,$val) == FALSE)
            {
                $tmp = @ftp_mkdir($this->ftp,$val);
                if($tmp == FALSE)
                {
                    
                    exit;
                }
                @ftp_chdir($this->ftp,$val);
            }
        }

        for($i=1;$i<=$path_div;$i++)         // 回退到根 
        {
            @ftp_cdup($this->ftp);
        }
    }

    /**
     * Created by PhpStorm.
     * function: close
     * Description:关闭链接
     * User: Xiaoxie
     * Email 736214763@qq.com
     *
     */
    public function close()
    {
        @ftp_close($this->ftp);
    }

    /**
     * 关闭链接
     *单例模式打开析构方法
     */

    public function __destruct()
    {
        // TODO: Implement __destruct() method.
        //@ftp_close($this->ftp);
    }

}

FtpFile::getInstance($this->data)->up_file($location_file,$remote_file);

$ftp = new FtpFile($this->data);
$ftp->uploadFile($filearr);
$ftp->close();