PHP file Upload class application ____php

<?php/** * Steps: * 1. Import inlcude This class file, the following function upload Configuration Storage path * 2. Direct use, with the front desk, run function, notice the foreground form open Enctype * 3. If run into Work, transshipment file to specified directory, get return value URL physical full path * 4. Store the path of the specified storage in the database//** * File Upload function, save the file to the specified path * @param * $fil
        ENAME: The file name written in the form Name= "XXX", will automatically identify the $_files * @return successfully return the picture storage physical full path, failure return false/function upload ($filename) { Include_once (__root__. ') /common/upload.class.php ');//Introducing class file $path = __root__. " /public/upload/". Date (" Y-m-d ", Time ());//define Path $upload = new Upload ($filename, $path);//Instantiate object $url = $upload
        ->uploadfile (),//Call member method, successfully returns the saved physical address if (empty ($url)) {return false;
    return $url; /** * Modify member Information * @param $id which member $data modified value [Array form] * @return successfully returns the number of affected rows; failed return false/function UPDA
            Te_user ($id, $data) {$info = Get_user ($id);//Check out this link information/To determine delete picture operation, empty the image address if (@ $data [' del_pic ']) { Unlink (__root__. ') /public/'. $info [' User_iMG ']);
            unset ($data [' del_pic ']);
        $data [' user_img '] = ""; } if (!empty ($_files[' user_img ' [' name ')]) {@unlink (__root__.)
            /public/". $info [' user_img ']);//delete original file exit first;
            $url = Upload (' user_img ');/move file if ($url = = False) {return false;

        $data [' user_img '] = strstr ($url, "upload");//Assign new address value} $user = M (' Cms_user ');
        $data [' password '] = MD6 ($data [' Password ']);
        $where = "user_id = $id";
        $re = $user->where ($where)->data ($data)->update ();
        echo $link->getlastsql (); exit;
        if ($re) {return true;
    return false; }//--------------------------The application method for class----------------------//------------------------------   Class starts-----------------------------class upload{protected $fileName;  File name protected $maxSize; Maximum file size protected $allowMime; Allowed picture range protected $ALLOWEXT; The allowed file suffix name protected $uploadPath;        Set file upload path protected $imgFlag;   
        Whether to open detection of real image protected $fileInfo; protected $error;//returned file error protected $ext; Gets the file suffix public function __construct ($fileName = ' MyFile ', $uploadPath = './uploads ', $imgFlag =true, $maxSize =5242880,$ Allowext=array (' jpeg ', ' jpg ', ' png ', ' gif '), $allowMime =array (' image/jpeg ', ' image/png ', ' image/gif ')) {$this->fi
            Lename= $fileName;
            $this->maxsize= $maxSize;
            $this->allowmime= $allowMime;
            $this->allowext= $allowExt;
            $this->uploadpath= $uploadPath;
            $this->imgflag= $imgFlag;
        $this->fileinfo=$_files[$this->filename];
            /** * Detect upload File Error * @return Boolean/protected function CheckError () { if (!is_null ($this->fileinfo)) {if ($this->fileinfo[' ERROR ']>0) {switch ($ This-> fileinfo[' ERROR '] {Case 1: $this->error= ' exceeded the PHP configuration file Upload_max_fi
                            Value of the lesize option ';
                        Break
                            Case 2: $this->error= ' exceeds the value set in the form max_file_size ';
                        Break
                            Case 3: $this->error= ' file is partially uploaded ';
                        Break
                            Case 4: $this->error= ' did not choose to upload file ';
                        Break
                            Case 6: $this->error= ' did not find a temporary directory ';
                        Break
                            Case 7: $this->error= ' file is not writable ';
                        Break
                            Case 8: $this->error= ' due to PHP extensions interrupt file Upload ';

                    Break
                return false;}else{return true;
                }else{$this->error= ' error on file ';
            return false; }/** * Detects the size of uploaded files * @return Boolean/protected function checksize ()
                {if ($this->fileinfo[' size ']> $this->maxsize) {$this->error= ' upload file too large ';
            return false;
        return true;
            /** * Detect Extension S * @return Boolean/protected function Checkext () {
            $this->ext=strtolower (pathinfo ($this->fileinfo[' name '],pathinfo_extension));
                if (!in_array ($this->ext, $this->allowext)) {$this->error= ' disallowed extension ';
            return false;
        return true;
            /** * Detection File Type * @return Boolean/protected function Checkmime () { if (!in_array ($this-&Gt;fileinfo[' type '], $this->allowmime)) {$this->error= ' disallowed file type ';
            return false;
        return true;
            /** * Detects if it is a real picture * @return Boolean/protected function checktrueimg () { if ($this->imgflag) {if (! @getimagesize ($this->fileinfo[' Tmp_name ')) {$thi
                    S->error= ' is not a real picture ';
                return false;
            return true; }/** * detects if uploading via HTTP POST * @return Boolean/protected Functio n Checkhttppost () {if (!is_uploaded_file ($this->fileinfo[' Tmp_name ')) {$this->error= ' file is not
                is uploaded through the HTTP POST method ';
            return false;
        return true; /** * Display Error/protected function ShowError () {exit (' <span style= ' color: Red ">". $thIs->error. '
        </span> '); /** * Detect directory does not exist create/protected function Checkuploadpath () {if!file_exists (
            $this->uploadpath)) {mkdir ($this->uploadpath,0777,true));
            /** * produces a unique string * @return string/protected function Getuniname () {
        return MD5 (Uniqid (Microtime (True), true); /** * Upload file * @return String */Public Function UploadFile () {if ($ This->checkerror () && $this->checksize () && $this->checkext () && $this-> Checkmime () && $this->checktrueimg () && $this->checkhttppost ()) {$this-&GT;CHECKUPLOADPA
                Th ();
                $this->uniname= $this->getuniname (); $this->destination= $this->uploadpath. ' /'. $this->uniname. '.
                $this->ext; if (@move_uploaded_file ($this->fileinfo[' Tmp_name '], $this->destination)) {return $this->destination;
                    }else{$this->error= ' file move failed ';
                $this->showerror ();
            }else{$this->showerror (); }
        }
    }