function upload_zip($zip_file = '')
{
    // Create temporary directory
    exec('mktemp -d', $output, $rc);
    if ($rc != 0) {
        die('mktemp failed');
    }
    $temp_dir = $output[0];
    if (!is_dir($temp_dir)) {
        die('Temporary directory not created');
    }
    // Unzip
    system("unzip -q -d {$temp_dir} {$zip_file}", $rc);
    if ($rc != 0) {
        die('unzip failed');
    }
    unlink($zip_file);
    // Fetch directory listing
    $file_list = glob("{$temp_dir}/*");
    // Fetch file information
    $files = array();
    foreach ($file_list as $file) {
        if (!preg_match('/\\.pdf$/', $file)) {
            continue;
        }
        upload_file($file, basename($file));
    }
}

function generate_thumbnail($sURL, $needConnect)
{
    if (!is_logged_in()) {
        return getError("no logged-in user");
    }
    $res = array();
    //get picture from service
    //"http://www.sitepoint.com/forums/image.php?u=106816&dateline=1312480118";
    $remote_path = str_replace("[URL]", $sURL, WEBSITE_THUMBNAIL_SERVICE);
    $heurist_path = tempnam(HEURIST_FILESTORE_DIR, "_temp_");
    // . $file_id;
    $filesize = saveURLasFile($remote_path, $heurist_path);
    if ($filesize > 0) {
        //check the dimension of returned thumbanil in case it less than 50 - consider it as error
        if (strpos($remote_path, substr(WEBSITE_THUMBNAIL_SERVICE, 0, 24)) == 0) {
            $image_info = getimagesize($heurist_path);
            if ($image_info[1] < 50) {
                //remove temp file
                unlink($heurist_path);
                return getError("Thumbnail generator service can't create the image for specified URL");
            }
        }
        $fileID = upload_file("snapshot.jpg", "jpg", $heurist_path, null, $filesize, $sURL, $needConnect);
        if (is_numeric($fileID)) {
            $res = get_uploaded_file_info($fileID, $needConnect);
        } else {
            $res = getError("File upload was interrupted. " . $fileID);
        }
    } else {
        $res = getError("Cannot download image");
    }
    return $res;
}

function insert_file($var, $upload_path, $file_name_prefix)
{
    if (isset($_REQUEST['is_' . $var]) && $_REQUEST['is_' . $var] && isset($_FILES[$var])) {
        return upload_file($var, $upload_path, $file_name_prefix);
    }
    return '';
}

function upload_file_and_edit_agreement()
{
    save_agreement();
    upload_file(3, 10, $_POST['0'], 1);
    $id = $_POST['0'];
    $aggr = db_retrieve_agreement_byID($id);
    addedit_agreement($aggr);
}

 /**
  *
  * @param type $data
  * @param type $type
  * @return string
  */
 public static function upImg($data, $type = 'jpg')
 {
     if (!self::isImg(strtolower($type))) {
         return FALSE;
     }
     $server = getC("upload_server");
     $sign = getC("upload_sign");
     $file_url = upload_file($server, $data, $type, $sign);
     return $file_url;
 }

/**
 * Master function for uploading, checks filenames and generates thumbnails
 */
function upload($file, $dir = 'uploads')
{
    $filename = check_filename($file['name'], $dir);
    // Pop the original file in /uploads/originals
    move_uploaded_file($file['tmp_name'], $dir . '/originals/' . $filename);
    // Generate thumbnail
    upload_file($filename, $file['type'], 100, 100, 'thumbnails', $dir);
    // Generate stream image
    upload_file($filename, $file['type'], 350, 500, 'stream', $dir);
    return $filename;
}

 /**
  * 上传文件 uploads
  */
 public function uploads()
 {
     if (IS_POST) {
         /* 定义变量 */
         $RESPONSE_STATUS = 500;
         /* 上传图片 */
         $resultUploads = upload_file();
         if ($resultUploads['result'] == 1) {
             $RESPONSE_STATUS = 100;
         }
         $result = array('Tips' => $resultUploads['msg'], 'RESPONSE_STATUS' => $RESPONSE_STATUS, 'RESPONSE_INFO' => $resultUploads['msg']);
         $this->ajaxReturn($result);
     }
 }

 public function upload_do()
 {
     if (isset($_FILES['file'])) {
         $tArr = explode(".", $_FILES["file"]["name"]);
         $type = $tArr[count($tArr) - 1];
         $filename = $_FILES["file"]["tmp_name"];
         $handle = fopen($filename, "r");
         $data = fread($handle, filesize($filename));
         fclose($handle);
         $server = getC("upload_server");
         $sign = getC("upload_sign");
         echo upload_file($server, $data, $type, $sign);
     }
 }

function refund_apply_order_goods_upload_ex($refund, $pic_name, $upload_size_limit)
{
    if ($refund[$pic_name]) {
        if ($_FILES[$pic_name]['size'] / 1024 > $upload_size_limit) {
            $GLOBALS['err']->add(sprintf($GLOBALS['_LANG']['upload_file_limit'], $upload_size_limit));
            return -1;
        }
        $refund_pic1 = upload_file($_FILES[$pic_name], 'feedbackimg');
        if ($refund_pic1 === false) {
            $GLOBALS['err']->add("无法上传");
            return -1;
        }
    } else {
        $refund_pic1 = '';
    }
    return $refund_pic1;
}

 function add_details()
 {
     $data = filter_forwarded_data($this);
     if (!empty($_FILES)) {
         $fileUrl = upload_file($_FILES, 'plantemplate__fileurl', 'plan_', 'xls');
         if (!empty($fileUrl)) {
             $_POST['document'] = $fileUrl;
             $data['list'] = $this->_procurement_plan->add_details($_POST);
             if (!is_array($data['list'])) {
                 $data['msg'] = 'ERROR: ' . $data['list'];
             }
             $this->load->view('procurement_plans/plan_details', $data);
         } else {
             echo format_notice($this, 'ERROR: The plan document could not be uploaded.');
         }
     } else {
         echo format_notice($this, 'ERROR: No plan details could be resolved.');
     }
 }

 function settings()
 {
     $data = filter_forwarded_data($this);
     logout_invalid_user($this);
     # user has posted the settings form
     if (!empty($_POST)) {
         # Upload the photo if any exists before you proceed with the rest of the process
         $_POST['photo_url'] = !empty($_FILES) ? upload_file($_FILES, 'newphoto__fileurl', 'photo_' . $this->native_session->get('__user_id') . '_', 'png,jpg,jpeg,tiff') : '';
         $result = $this->_user->settings($_POST);
         if ($result['boolean']) {
             $this->native_session->set('msg', 'Your settings have been updated');
         } else {
             echo "ERROR: The settings could not be updated. " . $result['reason'];
         }
     } else {
         $data['user'] = $this->_user->details();
         $this->load->view('users/settings', $data);
     }
 }

function MOH_Files_Modify()
{
    global $mysqli;
    include dirname(__FILE__) . '/../include/config.inc.php';
    $session =& $_SESSION['MOH_Files_Modify'];
    $Message = isset($_REQUEST['msg']) ? $_REQUEST['msg'] : "";
    $smarty = smarty_init(dirname(__FILE__) . '/templates');
    $action = $_REQUEST['action'];
    if ($action == 'uploadfile') {
        $FK_Group = $_REQUEST['id_group'];
        $bigFK_Group = str_pad($FK_Group, 10, "0", STR_PAD_LEFT);
        $uploadPath = $conf['dirs']['moh'] . "/group_" . $bigFK_Group . "/";
        $filename_ext = explode(".", $_FILES['file']['name']['0']);
        $filename = "";
        for ($i = 0; $i < count($filename_ext) - 1; $i++) {
            $filename .= $filename_ext[$i];
        }
        $extension = $filename_ext[count($filename_ext) - 1];
        $query = "SELECT MAX(`Order`) FROM Moh_Files WHERE FK_Group = '{$FK_Group}'";
        $result = $mysqli->query($query) or die($mysqli->error);
        $row = $result->fetch_row();
        $order = $row['0'] + 1;
        $Errors = upload_file($uploadPath, $filename, $extension, $order, $FK_Group);
        if (empty($Errors)) {
            asterisk_UpdateConf('musiconhold.conf');
            asterisk_Reload();
            header("Location: MOH_Files_ListGroup.php?PK_Group={$FK_Group}");
            die;
        }
    }
    // Init available groups (Groups)
    $query = "SELECT * FROM Moh_Groups";
    $result = $mysqli->query($query) or die($mysqli->error . $query);
    while ($row = $result->fetch_assoc()) {
        $Groups[] = $row;
    }
    $smarty->assign('Groups', $Groups);
    $smarty->assign('Message', $Message);
    $smarty->assign('Errors', $Errors);
    return $smarty->fetch('MOH_Files_Modify.tpl');
}

 function add()
 {
     $data = filter_forwarded_data($this);
     logout_invalid_user($this);
     if (!empty($_POST)) {
         # Upload the file before you proceed with the rest of the process
         $fileUrl = upload_file($_FILES, 'document__fileurl', 'document_', 'pdf,doc,docx,zip,zipx,rar');
         if (!empty($fileUrl)) {
             $_POST['document'] = $fileUrl;
             $result = $this->_document->add($_POST);
         } else {
             $result = array('boolean' => FALSE, 'reason' => 'File could not be uploaded.');
         }
         if (!$result['boolean']) {
             echo "ERROR: The document could not be added. " . $result['reason'];
         }
     } else {
         $data['area'] = !empty($data['a']) ? $data['a'] : 'system';
         $this->load->view('documents/new_document', $data);
     }
 }

function updateproduct()
{
    global $db;
    $image = '';
    $newest = $_FILES['prodd_image']['name'];
    foreach ($newest as $key => $value) {
        $imgg = upload_file($key, $value, 'prod_img/');
        if ($imgg != '') {
            $image .= $imgg . '|';
        }
    }
    //echo $image.'image---<br/>';
    $id = $_POST['hd_id'];
    $sth = $db->prepare("SELECT * FROM product where `id`=?");
    $sth->execute(array($id));
    $result = $sth->fetch();
    //echo $result['prod_img'].'dbimg';
    $imagee = $result['prod_img'] . $image;
    //echo $imagee.'imag<br/>';
    $db->exec("update `product` set `product_name`='{$_POST['name']}',`category_id`='{$_POST['category']}',`prod_img`='{$imagee}',`description`='{$_POST['descp']}' where `id`='{$_POST['hd_id']}'");
    header("location:add_product.php");
}

/**
 * Created by PhpStorm.
 * User: spider-ninja
 * Date: 8/14/16
 * Time: 8:47 PM
 */
function UploadDocs($dataDir, $localId)
{
    $outArray = array('photo' => 0, 'pv' => 0, 'adhar_card' => 0, 'voter_card' => 0, 'driving_license' => 0, 'pan_card' => 0);
    //$files1 = scandir($dataDir);
    if (file_exists($dataDir . $localId . "/" . $localId . ".jpg")) {
        $outArray['photo'] = upload_file($dataDir . $localId . "/" . $localId . ".jpg");
    }
    if (file_exists($dataDir . $localId . "/aadhar.pdf")) {
        $outArray['adhar_card'] = upload_file($dataDir . $localId . "/aadhar.pdf");
    }
    if (file_exists($dataDir . $localId . "/pv.pdf")) {
        $outArray['pv'] = upload_file($dataDir . $localId . "/pv.pdf");
    }
    if (file_exists($dataDir . $localId . "/votor_card.pdf")) {
        $outArray['voter_card'] = upload_file($dataDir . $localId . "/votor_card.pdf");
    }
    if (file_exists($dataDir . $localId . "/driving_license.pdf")) {
        $outArray['driving_license'] = upload_file($dataDir . $localId . "/driving_license.pdf");
    }
    if (file_exists($dataDir . $localId . "/pan.pdf")) {
        $outArray['pan_card'] = upload_file($dataDir . $localId . "/pan.pdf");
    }
    return $outArray;
}

/**
 * 编辑器上传文件 upload_file_editor
 * @param $path
 */
function upload_file_editor($path = NULL)
{
    /* 定义参数 */
    $dir_name = ucfirst(I('get.dir'));
    if (!$path) {
        $path = CONTROLLER_NAME;
    }
    $savePath = './Editor/' . $dir_name . '/' . $path . '/';
    //上传地址
    $saveUrl = '/Uploads/Editor/' . $dir_name . '/' . $path . '/';
    //读取地址
    switch ($dir_name) {
        case 'Flash':
            $options = array('maxSize' => 1024 * 1024 * 2, 'exts' => array('swf', 'flv'), 'savePath' => $savePath);
            break;
        case 'Media':
            $options = array('maxSize' => 1024 * 1024 * 5, 'exts' => array('swf', 'flv', 'mp3', 'wav', 'wma', 'wmv', 'mid', 'avi', 'mpg', 'asf', 'rm', 'rmvb'), 'savePath' => $savePath);
            break;
        case 'File':
            $options = array('maxSize' => 1024 * 1024 * 5, 'exts' => array('doc', 'docx', 'xls', 'xlsx', 'ppt', 'htm', 'html', 'txt', 'zip', 'rar', 'gz', 'bz2'), 'savePath' => $savePath);
            break;
        default:
            $options = array('maxSize' => 1024 * 1024 * 0.5, 'exts' => array('jpg', 'jpeg', 'gif', 'png'), 'savePath' => $savePath);
    }
    /* 上传文件 */
    $result = upload_file($options);
    if ($result['result'] == 1) {
        //上传成功
        $return['error'] = 0;
        $return['url'] = $saveUrl . $result['msg'];
    } else {
        $return['error'] = 1;
        $return['message'] = $result['msg'];
    }
    return $return;
}

 }
 //检测链接图片的尺寸
 if ($check_info == 1 && !check_image_type($_FILES["linkImage"]["name"])) {
     $check_info = 0;
     $action = $mark_id != "" ? "edit" : "add";
     $ActionMessage = $strCategoryImage . $strImgTypeMemo;
 }
 if ($check_info == 1 && $_FILES["linkImage"]["name"] != "") {
     $arrISize = get_image_size($_FILES["linkImage"]["tmp_name"]);
     if ($arrISize[1] > 16 && $arrISize[3] > 16) {
         $check_info = 0;
         $ActionMessage = $strCategoryImageError;
         $action = $mark_id != "" ? "edit" : "add";
     } else {
         //上传图片
         $linkImage = upload_file($_FILES["linkImage"]["tmp_name"], $_FILES["linkImage"]["name"], "../attachments");
     }
 } else {
     $linkImage = "";
 }
 if ($check_info == 1) {
     if ($mark_id != "") {
         //编辑
         $rsexits = getFieldValue($DBPrefix . "keywords", "keyword='" . encode($_POST['name']) . "'", "id");
         if ($rsexits != $mark_id && $rsexits != "") {
             $ActionMessage = "{$strDataExists}";
             $action = "edit";
         } else {
             if ($linkImage != "") {
                 $sql = "update " . $DBPrefix . "keywords set keyword='" . encode($_POST['name']) . "',linkUrl='" . encode($_POST['linkUrl']) . "',linkImage='" . encode($linkImage) . "' where id='{$mark_id}'";
             } else {

function action_act_supplier_reg()
{
    // 获取全局变量
    $_LANG = $GLOBALS['_LANG'];
    $smarty = $GLOBALS['smarty'];
    $db = $GLOBALS['db'];
    $ecs = $GLOBALS['ecs'];
    $user_id = $_SESSION['user_id'];
    $supplier_name = isset($_POST['supplier_name']) ? trim($_POST['supplier_name']) : '';
    $rank_id = isset($_POST['rank_id']) ? intval($_POST['rank_id']) : 0;
    $company_name = isset($_POST['company_name']) ? trim($_POST['company_name']) : '';
    $country = isset($_POST['country']) ? intval($_POST['country']) : 1;
    $province = isset($_POST['province']) ? intval($_POST['province']) : 1;
    $city = isset($_POST['city']) ? intval($_POST['city']) : 1;
    $district = isset($_POST['district']) ? intval($_POST['district']) : 1;
    $country = isset($_POST['country']) ? intval($_POST['country']) : 1;
    $address = isset($_POST['address']) ? trim($_POST['address']) : '';
    $tel = isset($_POST['tel']) ? trim($_POST['tel']) : '';
    $guimo = isset($_POST['guimo']) ? trim($_POST['guimo']) : '';
    $email = isset($_POST['email']) ? trim($_POST['email']) : '';
    $company_type = isset($_POST['company_type']) ? trim($_POST['company_type']) : '';
    $bank = isset($_POST['bank']) ? trim($_POST['bank']) : '';
    $contact = isset($_POST['contact']) ? trim($_POST['contact']) : '';
    $contact_back = isset($_POST['contact_back']) ? trim($_POST['contact_back']) : '';
    $contact_shop = isset($_POST['contact_shop']) ? trim($_POST['contact_shop']) : '';
    $contact_yunying = isset($_POST['contact_yunying']) ? trim($_POST['contact_yunying']) : '';
    $contact_shouhou = isset($_POST['contact_shouhou']) ? trim($_POST['contact_shouhou']) : '';
    $contact_caiwu = isset($_POST['contact_caiwu']) ? trim($_POST['contact_caiwu']) : '';
    $contact_jishu = isset($_POST['contact_jishu']) ? trim($_POST['contact_jishu']) : '';
    $add_time = gmtime();
    /* 图片上传处理 */
    $upload_size_limit = $_CFG['upload_size_limit'] == '-1' ? ini_get('upload_max_filesize') : $_CFG['upload_size_limit'];
    $last_char = strtolower($upload_size_limit[strlen($upload_size_limit) - 1]);
    switch ($last_char) {
        case 'm':
            $upload_size_limit *= 1024 * 1024;
            break;
        case 'k':
            $upload_size_limit *= 1024;
            break;
    }
    if (isset($_FILES['zhizhao']) && $_FILES['zhizhao']['tmp_name'] != '' && isset($_FILES['zhizhao']['tmp_name']) && $_FILES['zhizhao']['tmp_name'] != 'none') {
        if ($_FILES['zhizhao']['size'] / 1024 > $upload_size_limit) {
            $err->add(sprintf($_LANG['upload_file_limit'], $upload_size_limit));
            $err->show($_LANG['back_up_page']);
        }
        $zhizhao_img = upload_file($_FILES['zhizhao'], 'supplier');
        if ($zhizhao_img === false) {
            $err->add('业执照图片上传失败！');
            $err->show($_LANG['back_up_page']);
        } else {
            $sql_img = "zhizhao='{$zhizhao_img}',";
        }
    }
    if (isset($_FILES['id_card']) && $_FILES['id_card']['tmp_name'] != '' && isset($_FILES['id_card']['tmp_name']) && $_FILES['id_card']['tmp_name'] != 'none') {
        if ($_FILES['id_card']['size'] / 1024 > $upload_size_limit) {
            $err->add(sprintf($_LANG['upload_file_limit'], $upload_size_limit));
            $err->show($_LANG['back_up_page']);
        }
        $id_card_img = upload_file($_FILES['id_card'], 'supplier');
        if ($id_card_img === false) {
            $err->add('身份证图片上传失败！');
            $err->show($_LANG['back_up_page']);
        } else {
            $sql_img .= "id_card='{$id_card_img}', ";
        }
    }
    $sql = "select supplier_id from " . $ecs->table('supplier') . " where user_id='{$user_id}' ";
    $supplier_id = $db->getOne($sql);
    if ($supplier_id) {
        $mes = '供货商申请修改成功，已经重新进入审核流程，请留意审核结果！';
        $sql = "update " . $ecs->table('supplier') . " set supplier_name='{$supplier_name}', rank_id='{$rank_id}', company_name='{$company_name}', " . "country='{$country}', province='{$province}', city='{$city}', district='{$district}', address='{$address}', tel='{$tel}', guimo='{$guimo}', email='{$email}', " . "company_type='{$company_type}', bank='{$bank}', " . $sql_img . " contact='{$contact}', contact_back='{$contact_back}', contact_shop='{$contact_shop}', contact_yunying='{$contact_yunying}', contact_shouhou='{$contact_shouhou}', contact_caiwu='{$contact_caiwu}', contact_jishu='{$contact_jishu}'," . "status='0' " . " where supplier_id='{$supplier_id}' ";
    } else {
        $mes = '供货商申请提交成功，已经进入审核流程，请留意审核结果！';
        $sql = "insert into " . $ecs->table('supplier') . "(user_id, supplier_name, rank_id, company_name, country, province, city, district, address, tel, guimo, email," . "company_type, bank, zhizhao, id_card, contact, contact_back, contact_shop, contact_yunying, contact_shouhou, contact_caiwu, contact_jishu, add_time) " . " values('{$user_id}', '{$supplier_name}', '{$rank_id}', '{$company_name}', '{$country}', '{$province}', '{$city}', '{$district}', '{$address}', '{$tel}', '{$guimo}', '{$email}', " . "'{$company_type}', '{$bank}',  '{$zhizhao_img}', '{$id_card_img}',  '{$contact}', '{$contact_back}', '{$contact_shop}', '{$contact_yunying}', '{$contact_shouhou}', '{$contact_caiwu}', '{$contact_jishu}', '{$add_time}')";
    }
    $db->query($sql);
    show_message($mes, '返回上一页', 'user.php?act=supplier_reg', 'info');
}

    $result = array();
    $files = diverse_array($files);
    foreach ($files as $file) {
        $f = new UploadedFile();
        $f->name = $file['name'];
        $f->mime = $file['type'];
        $f->size = $file['size'];
        $f->tempfile = $file['tmp_name'];
        $f->error = $file['error'];
        // 'expire' doesn't exist neither in $_FILES nor in UploadedFile;
        // commented out for future implementation
        //$f->expire   = $file['expire'];
        $result[] = $f;
    }
    return $result;
}
$type = isset($_GET['output']) ? $_GET['output'] : 'json';
$response = new Response($type);
if (isset($_FILES['files'])) {
    $uploads = refiles($_FILES['files']);
    try {
        foreach ($uploads as $upload) {
            $res[] = upload_file($upload);
        }
        $response->send($res);
    } catch (Exception $e) {
        $response->error($e->getCode(), $e->getMessage());
    }
} else {
    $response->error(400, 'No input file(s)');
}

<?php

function upload_file($file)
{
    if ($file['name'] == '') {
        echo 'Файл не выбран!';
        return;
    }
    if (copy($file['tmp_name'], 'img/' . $file['name'])) {
        echo 'Файл успешно загружен';
    } else {
        echo 'Ошибка загрузки файла';
    }
}
if (isset($_FILES['file'])) {
    upload_file($_FILES['file']);
}