PHP Build FTP client

PHP has a good extensibility, in PHP for FTP file Upload is also built-in functionality, and other languages, can only be implemented by the client.

class ftpclient {   /**     *  upload file root directory       *  @var  string     */    private $ rootpath;    /**     *  Local upload error message       *  @var  string     */    private  $error   =  ';  //upload error message     /**     * ftp connection       *  @var  resource     */    private   $link;    private  $config  = array (          ' host '      =>  ',  //server           ' Port '      => 21, //port           ' Timeout '   => 90, //timeout Time          ' username '  =>  ',  //username          ' password '  =>  ',  //password      );    /**     *  constructor for setting the upload root path       *  @param  array   $config  ftp configuration      */     public function __construct ($config) {         /*  Default FTP configuration  */         $this->config =  Array_merge ($this->config,  $config);        /*  Log on to the FTP server  */        if (! $this->login ()) {             e ($this->error);         }     }    /**     *  detect upload root      *  @param  string  $rootpath     root      *  @return  boolean  true-detection passed, false-detection failure      */    public function  Checkrootpath ($rootpath) {        /*  set the root directory  */          $this->rootpath = ftp_pwd ($this->link)  .  '/'  . ltrim ($rootpath,  '/');         if ([email  Protected]_chdir ($this->link,  $this->rootpath)) {              $this->error =  ' upload root directory does not exist! ';            return false;         }        return true;    }    /**     *  Detection Upload Directory      *  @param   string  $savepath   Upload directory       *  @return  boolean           test results, true-Pass, false-Failure      */    public function checksavepath ($ Savepath) {        /*  Detect and create catalogs  */         if  (! $this->mkdir ($savepath))  {             return false;        } else  {            //todo: Check whether the catalogue is writable              return true;         }    }    /**     *  Save the specified file      *   @param   array    $file      saved file information       *  @param   boolean  $replace   If the file with the same name overrides      *  @return  boolean           Save status, true-success, false-failure       */    public function save ($file,  $replace =true)  {          $filename  =  $this->rootpath .  $file [' Savepath '] .  $file [' savename '];        /*  do not overwrite files of the same name   */        // if  (! $replace  && is_file ($ FileName)  {        //      $this error =  ' exists file with the same name '  .   $file [' Savename '];        //     return  false;        // }         /*  Mobile File  */        if  (!ftp_put ($this link,  $filename,  $file [' Tmp_name '], ftp_binary)  {              $this->error =  ' File Upload Save error! ';            return false;         }        return true;     }    /**     *  Create a catalog       *  @param   string  $savepath   Muri      *  @return to create  boolean           created status, True-succeeded, false-failed      */    public function  mkdir ($savepath) {         $dir  =  $this->rootpath  .  $savepath         if (Ftp_chdir ($this->link,  $dir) ) {            return true;         }        if (Ftp_mkdir ($this->link,   $dir)) {            return true;         } elseif ($this->mkdir (dirname ($savepath))  &&  ftp_mkdir ($this->link,  $dir))  {             return true;        } else {              $this->error =  "directory  {$savepath}  creation failed! ";            return false;         }    }    /**      *  Create a catalog      *  @param   string  $file        target files or directories      *  @return  real            File size or -1     */    public function  filesize ($file)     {        return  @ftp _size ($this->link, $file);    }    /**      *  get the last upload error message      *  @return  string  error message       */    publiC function geterror () {        return  $this->error;     }    /**     *  license to file or directory       *  @param  String  $file   file or path      *  @param   $mode   Octal privilege value  1-  Execute permission, 2-write permission,4 -  Read permission   0644-> owner read/write, others readable       *  @return   Set new permissions for success or fail false     */     public function chmod ($file, $mode)     {         if (!ftp_chmod ($this->link, $mode, $file))         {              $this->error =  ' authorization failed ';         }    }    /**      *&nbSP; @param  string  path   required. Specifies the path of the file to be deleted      *  @return  true or false       */    public function delete ($path)     {         if  (!ftp_delete ($this->link,  $path))  {             $this->error = ' delete file: '. $path. '   Failure ';         }    }    /* *     *  @param  string local   required. Local file storage path      *  @param  string remote   required. Remote file path      *  @param  string mode   required. Read mode      *  @param  string resume   start location of read file size       *  @return  true or fAlse      */    public function fetch ($local, $ Remote, $mode, $resume =0)     {         $arr _mode  = array (ftp_ascii,ftp_binary);         if (!in_array ($mode,   $arr _mode))         {              $mode  = ftp_binary;        }         if (!ftp_get ($this->link, $local, $remote, $mode, $resume))         {              $this->error = ' read remote files: '. $remote. '   Failure ';         }    }    /* *     *  Log on to the FTP server      *  @return boolean true-Login successful, false-Login failed      */    private  function login () {        extract ($this->config);          $this->link = ftp_connect ($host,  $port,  $ Timeout);         if ($this->link)  {             if  (Ftp_login ($this->link,  $username,  $ Password))  {                return true;            } else {                  $this error =  "Unable to log on to FTP server: username - {$username}";             }        } else {              $this->error =  "Unable to connect to FTP server: {$host}";         }        return false;    }     /**     *  destructor to disconnect the current FTP connection      */     public function __destruct ()  {         ftp_close ($this->link);     }}

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PHP Build FTP client