PHP generate_thumbnail函数代码示例

function process_album_upload($album_image, $width, $height)
{
    $temp_image_path = GALLERY_MAIN_UPLOAD_DIR . $album_image;
    $temp_image_name = $album_image;
    list(, , $temp_image_type) = getimagesize($temp_image_path);
    if ($temp_image_type === NULL) {
        return false;
    }
    $uploaded_image_path = GALLERY_MAIN_UPLOAD_DIR . $temp_image_name;
    move_uploaded_file($temp_image_path, $uploaded_image_path);
    $type = explode(".", $album_image);
    $thumbnail_image_path = GALLERY_MAIN_ALB_THUMB_DIR . preg_replace("{\\.[^\\.]+\$}", "." . $type[1], $temp_image_name);
    $result = generate_thumbnail($uploaded_image_path, $thumbnail_image_path, $width, $height);
    return $result ? array($uploaded_image_path, $thumbnail_image_path) : false;
}

//.........这里部分代码省略.........
                $ret['error'] .= $lang->error_uploadfailed_movefailed;
                break;
        }
        return $ret;
    }
    // Lets just double check that it exists
    if (!file_exists($mybb->settings['uploadspath'] . "/" . $filename)) {
        $ret['error'] = $lang->error_uploadfailed . $lang->error_uploadfailed_detail . $lang->error_uploadfailed_lost;
        return $ret;
    }
    // Generate the array for the insert_query
    $attacharray = array("pid" => $pid, "posthash" => $posthash, "uid" => $mybb->user['uid'], "filename" => $db->escape_string($file['original_filename']), "filetype" => $db->escape_string($file['type']), "filesize" => (int) $file['size'], "attachname" => $filename, "downloads" => 0, "dateuploaded" => TIME_NOW);
    // If we're uploading an image, check the MIME type compared to the image type and attempt to generate a thumbnail
    if ($ext == "gif" || $ext == "png" || $ext == "jpg" || $ext == "jpeg" || $ext == "jpe") {
        // Check a list of known MIME types to establish what kind of image we're uploading
        switch (my_strtolower($file['type'])) {
            case "image/gif":
                $img_type = 1;
                break;
            case "image/jpeg":
            case "image/x-jpg":
            case "image/x-jpeg":
            case "image/pjpeg":
            case "image/jpg":
                $img_type = 2;
                break;
            case "image/png":
            case "image/x-png":
                $img_type = 3;
                break;
            default:
                $img_type = 0;
        }
        $supported_mimes = array();
        foreach ($attachtypes as $attachtype) {
            if (!empty($attachtype['mimetype'])) {
                $supported_mimes[] = $attachtype['mimetype'];
            }
        }
        // Check if the uploaded file type matches the correct image type (returned by getimagesize)
        $img_dimensions = @getimagesize($mybb->settings['uploadspath'] . "/" . $filename);
        $mime = "";
        $file_path = $mybb->settings['uploadspath'] . "/" . $filename;
        if (function_exists("finfo_open")) {
            $file_info = finfo_open(FILEINFO_MIME);
            list($mime, ) = explode(';', finfo_file($file_info, MYBB_ROOT . $file_path), 1);
            finfo_close($file_info);
        } else {
            if (function_exists("mime_content_type")) {
                $mime = mime_content_type(MYBB_ROOT . $file_path);
            }
        }
        if (!is_array($img_dimensions) || $img_dimensions[2] != $img_type && !in_array($mime, $supported_mimes)) {
            delete_uploaded_file($mybb->settings['uploadspath'] . "/" . $filename);
            $ret['error'] = $lang->error_uploadfailed;
            return $ret;
        }
        require_once MYBB_ROOT . "inc/functions_image.php";
        $thumbname = str_replace(".attach", "_thumb.{$ext}", $filename);
        $attacharray = $plugins->run_hooks("upload_attachment_thumb_start", $attacharray);
        $thumbnail = generate_thumbnail($mybb->settings['uploadspath'] . "/" . $filename, $mybb->settings['uploadspath'], $thumbname, $mybb->settings['attachthumbh'], $mybb->settings['attachthumbw']);
        if ($thumbnail['filename']) {
            $attacharray['thumbnail'] = $thumbnail['filename'];
        } elseif ($thumbnail['code'] == 4) {
            $attacharray['thumbnail'] = "SMALL";
        }
    }
    if ($forumpermissions['modattachments'] == 1 && !is_moderator($forum['fid'], "canapproveunapproveattachs")) {
        $attacharray['visible'] = 0;
    } else {
        $attacharray['visible'] = 1;
    }
    $attacharray = $plugins->run_hooks("upload_attachment_do_insert", $attacharray);
    if ($prevattach['aid'] && $update_attachment == true) {
        unset($attacharray['downloads']);
        // Keep our download count if we're updating an attachment
        $db->update_query("attachments", $attacharray, "aid='" . $db->escape_string($prevattach['aid']) . "'");
        // Remove old attachment file
        // Check if this attachment is referenced in any other posts. If it isn't, then we are safe to delete the actual file.
        $query = $db->simple_select("attachments", "COUNT(aid) as numreferences", "attachname='" . $db->escape_string($prevattach['attachname']) . "'");
        if ($db->fetch_field($query, "numreferences") == 0) {
            delete_uploaded_file($mybb->settings['uploadspath'] . "/" . $prevattach['attachname']);
            if ($prevattach['thumbnail']) {
                delete_uploaded_file($mybb->settings['uploadspath'] . "/" . $prevattach['thumbnail']);
            }
            $date_directory = explode('/', $prevattach['attachname']);
            if (@is_dir($mybb->settings['uploadspath'] . "/" . $date_directory[0])) {
                delete_upload_directory($mybb->settings['uploadspath'] . "/" . $date_directory[0]);
            }
        }
        $aid = $prevattach['aid'];
    } else {
        $aid = $db->insert_query("attachments", $attacharray);
        if ($pid) {
            update_thread_counters($tid, array("attachmentcount" => "+1"));
        }
    }
    $ret['aid'] = $aid;
    return $ret;
}

 } else {
     //the first song doesn't have art, go to the next and exhaust all options
     $artwork_scanner->flag_as_skipped($value['album_id']);
     continue;
 }
 if (!strpos($temp_filename, '.')) {
     //invalid file type encountered
     $current_album_id = $value['album_id'];
     $artwork_scanner->flag_as_skipped($value['album_id']);
     continue;
 }
 file_put_contents($temp_dir . '/' . $temp_filename, $temp_data);
 if (is_readable($temp_dir . '/' . $temp_filename)) {
     $original = generate_thumbnail($temp_dir, $temp_filename, 'x', 600, $value);
     $medium = generate_thumbnail($temp_dir, $temp_filename, 'x', 300, $value);
     $small = generate_thumbnail($temp_dir, $temp_filename, 'x', 110, $value);
     if (@mkdir($art_dir, 0777, true)) {
         //copy new art to the album art list
         copy($temp_dir . '/' . $original, $art_dir . '/' . 'large.jpg');
         copy($temp_dir . '/' . $medium, $art_dir . '/' . 'medium.jpg');
         copy($temp_dir . '/' . $small, $art_dir . '/' . 'small.jpg');
         unlink($temp_dir . '/' . $temp_filename);
         //don't scan further files in this album
         $current_album_id = $value['album_id'];
         //it's scanned now
         $artwork_scanner->flag_as_added($value['album_id']);
     } else {
         //if the dir's already there, chances are it has art
         $current_album_id = $value['album_id'];
         $artwork_scanner->flag_as_skipped($value['album_id']);
     }

function &xthreads_build_thumbnail($thumbdims, $aid, $fieldname, $filename, $path, $month_dir, $img_dimensions = null)
{
    if (empty($img_dimensions)) {
        //$img_dimensions = @getimagesize($path.$month_dir.$filename);
        $img_dimensions = @getimagesize($filename);
    }
    $update_thumbs = array('orig' => array('w' => $img_dimensions[0], 'h' => $img_dimensions[1], 'type' => $img_dimensions[2]));
    if (is_array($img_dimensions)) {
        $filterfunc = 'xthreads_imgthumb_' . $fieldname;
        foreach ($thumbdims as $dims => $complex) {
            $destname = basename(substr($filename, 0, -6) . $dims . '.thumb');
            if ($complex) {
                require_once MYBB_ROOT . 'inc/xthreads/xt_image.php';
                $img = new XTImageTransform();
                if ($img->_load($filename)) {
                    // run filter chain
                    $filterfunc($dims, $img);
                    // write out file & save
                    $img->_enableWrite = true;
                    $img->write($path . $month_dir . '/' . $destname);
                    $update_thumbs[$dims] = array('w' => $img->WIDTH, 'h' => $img->HEIGHT, 'type' => $img->typeGD, 'file' => $month_dir . $destname);
                } else {
                    // failed
                    $update_thumbs[$dims] = array('w' => 0, 'h' => 0, 'type' => 0, 'file' => '');
                }
            } else {
                $p = strpos($dims, 'x');
                if (!$p) {
                    continue;
                }
                $w = (int) substr($dims, 0, $p);
                $h = (int) substr($dims, $p + 1);
                if ($img_dimensions[0] > $w || $img_dimensions[1] > $h) {
                    // TODO: think about using own function to apply image convolution
                    require_once MYBB_ROOT . 'inc/functions_image.php';
                    $thumbnail = generate_thumbnail($filename, $path . $month_dir, $destname, $h, $w);
                    // if it fails, there's nothing much we can do... so twiddle thumbs is the solution
                    if ($thumbnail['code'] == 1) {
                        $newdims = scale_image($img_dimensions[0], $img_dimensions[1], $w, $h);
                        $update_thumbs[$dims] = array('w' => $newdims['width'], 'h' => $newdims['height'], 'type' => $img_dimensions[2], 'file' => $month_dir . $destname);
                    } else {
                        $update_thumbs[$dims] = array('w' => 0, 'h' => 0, 'type' => 0, 'file' => '');
                    }
                } else {
                    // image is small (hopefully), just copy it over
                    // TODO: maybe use hardlink instead?
                    @copy($filename, $path . $month_dir . $destname);
                    $update_thumbs[$dims] = array('w' => $img_dimensions[0], 'h' => $img_dimensions[1], 'type' => $img_dimensions[2], 'file' => $month_dir . $destname);
                }
            }
        }
    }
    global $db;
    $db->update_query('xtattachments', array('thumbs' => $db->escape_string(serialize($update_thumbs))), 'aid=' . $aid);
    return $update_thumbs;
}

                 addDebugLog($action . " type={$type} position={$position} ERROR 11: No write privileges for this record.");
                 print "ERROR 11: No write privileges for this record.\n";
             }
             break;
     }
     exit;
 case 'uploadmedia':
     $error = "";
     if (isset($_FILES['mediafile'])) {
         if (!move_uploaded_file($_FILES['mediafile']['tmp_name'], $MEDIA_DIRECTORY . $_FILES['mediafile']['name'])) {
             $error .= "ERROR 19: " . $pgv_lang["upload_error"] . " " . file_upload_error_text($_FILES['mediafile']['error']);
         } else {
             if (!isset($_FILES['thumbnail'])) {
                 $filename = $MEDIA_DIRECTORY . $_FILES['mediafile']['name'];
                 $thumbnail = $MEDIA_DIRECTORY . "thumbs/" . $_FILES['mediafile']['name'];
                 generate_thumbnail($filename, $thumbnail);
                 //if (!$thumbgenned) $error .= "ERROR 19: ".$pgv_lang["thumbgen_error"].$filename;
             }
         }
     }
     if (isset($_FILES['thumbnail'])) {
         if (!move_uploaded_file($_FILES['thumbnail']['tmp_name'], $MEDIA_DIRECTORY . "thumbs/" . $_FILES['thumbnail']['name'])) {
             $error .= "\nERROR 19: " . $pgv_lang["upload_error"] . " " . file_upload_error_text($_FILES['thumbnail']['error']);
         }
     }
     if (!empty($error)) {
         addDebugLog($action . " {$error}");
         print $error . "\n";
     } else {
         addDebugLog($action . " SUCCESS");
         print "SUCCESS\n";

function upgrade3_convertattachments()
{
    global $db, $output;
    $output->print_header("Konwersja załączników na pliki");
    if (!$_POST['attachmentspage']) {
        $app = 50;
    } else {
        $app = $_POST['attachmentspage'];
    }
    if ($_POST['attachmentstart']) {
        $startat = $_POST['attachmentstart'];
        $upper = $startat + $app;
        $lower = $startat;
    } else {
        $startat = 0;
        $upper = $app;
        $lower = 1;
    }
    require_once MYBB_ROOT . "inc/settings.php";
    $query = $db->simple_select("attachments", "COUNT(aid) AS attachcount");
    $cnt = $db->fetch_array($query);
    $contents .= "<p>Konwersja załączników z {$lower} do {$upper} (Łącznie: " . $cnt['attachcount'] . ")</p>";
    echo "<p>Konwersja załączników z {$lower} do {$upper} (Łącznie: " . $cnt['attachcount'] . ")</p>";
    if ($db->field_exists("uid", TABLE_PREFIX . "attachments")) {
        $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP uid;");
    }
    // Add uid column
    $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments ADD uid smallint(6) NOT NULL AFTER posthash;");
    if ($db->field_exists("thumbnail", TABLE_PREFIX . "attachments")) {
        // Drop thumbnail column
        $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP thumbnail");
    }
    if ($db->field_exists("thumbnail", TABLE_PREFIX . "attachments")) {
        $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP thumbnail;");
    }
    // Add thumbnail column
    $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments ADD thumbnail varchar(120) NOT NULL;");
    if ($db->field_exists("attachname", TABLE_PREFIX . "attachments")) {
        $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP attachname;");
    }
    // Add attachname column
    $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments ADD attachname varchar(120) NOT NULL AFTER filesize;");
    if (!$db->field_exists("donecon", TABLE_PREFIX . "attachments")) {
        // Add temporary column
        $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments ADD donecon smallint(1) NOT NULL;");
    }
    $query = $db->query("\n\t\tSELECT a.*, p.uid AS puid, p.dateline \n\t\tFROM " . TABLE_PREFIX . "attachments a \n\t\tLEFT JOIN " . TABLE_PREFIX . "posts p ON (p.pid=a.pid) \n\t\tWHERE a.donecon != '1'\n\t\tORDER BY a.aid ASC LIMIT {$app}\n\t");
    while ($attachment = $db->fetch_array($query)) {
        $filename = "post_" . $attachment['puid'] . "_" . $attachment['dateline'] . $attachment['aid'] . ".attach";
        $ext = my_strtolower(my_substr(strrchr($attachment['filename'], "."), 1));
        $fp = fopen("../uploads/" . $filename, "wb");
        if (!$fp) {
            die("Nie można utworzyć pliku. Sprawdź uprawnienia i odśwież stronę.");
        }
        fwrite($fp, $attachment['filedata']);
        fclose($fp);
        unset($attachment['filedata']);
        if ($ext == "gif" || $ext == "png" || $ext == "jpg" || $ext == "jpeg" || $ext == "jpe") {
            require_once MYBB_ROOT . "inc/functions_image.php";
            $thumbname = str_replace(".attach", "_thumb.{$ext}", $filename);
            $thumbnail = generate_thumbnail("../uploads/" . $filename, "../uploads", $thumbname, $settings['attachthumbh'], $settings['attachthumbw']);
            if ($thumbnail['code'] == 4) {
                // Image was too small - fake a filename
                $thumbnail['filename'] = "SMALL";
            }
        }
        $db->write_query("UPDATE " . TABLE_PREFIX . "attachments SET attachname='" . $filename . "', donecon='1', uid='" . $attachment['puid'] . "', thumbnail='" . $thumbnail['filename'] . "' WHERE aid='" . $attachment['aid'] . "'");
        unset($thumbnail);
    }
    echo "<p>Zakończono.</p>";
    $query = $db->simple_select("attachments", "COUNT(aid) AS attachrem", "donecon != '1'");
    $cnt = $db->fetch_array($query);
    if ($cnt['attachrem'] != 0) {
        $nextact = "3_convertattachments";
        $startat = $startat + $app;
        $contents .= "<p><input type=\"hidden\" name=\"attachmentspage\" value=\"{$app}\" /><input type=\"hidden\" name=\"attachmentstart\" value=\"{$startat}\" />Done. Click Next to move on to the next set of attachments.</p>";
    } else {
        if ($db->field_exists("donecon", TABLE_PREFIX . "attachments")) {
            $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP donecon");
        }
        if ($db->field_exists("filedata", TABLE_PREFIX . "attachments")) {
            $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP filedata");
        }
        if ($db->field_exists("thumbnailsm", TABLE_PREFIX . "attachments")) {
            $db->write_query("ALTER TABLE " . TABLE_PREFIX . "attachments DROP thumbnailsm");
        }
        $nextact = "3_convertavatars";
        $contents .= "<p>Zakończono</p><p>Wszystkie załączniki zostały zamienione na pliki. W następnym kroku tej operacji zostaną poddane awatary.</p>";
        $contents .= "<p>Jeżeli chcesz zmienić liczbę awatarów do przetworzenia na stronę, możesz to zrobić poniżej.</p>";
        $contents .= "<p><strong>Ilość wpisów na stronę:</strong> <input type=\"text\" size=\"3\" value=\"200\" name=\"userspage\" /></p>";
        $contents .= "<p>Aby rozpocząć proces konwersji, naciśnij dalej.</p>";
    }
    $output->print_contents($contents);
    $output->print_footer($nextact);
}

 $fileType = getFileType($fileName);
 if ($imageAtt = getimagesize($path . $attachment)) {
     $fileWidth = $imageAtt[0];
     $fileHeight = $imageAtt[1];
 } else {
     $fileWidth = 0;
     $fileHeight = 0;
 }
 // 判断是否为图片格式
 if ($fileType == 'gif' || $fileType == 'jpg' || $fileType == 'jpeg' || $fileType == 'png') {
     // 判断是否使用缩略图
     if ($settingInfo['genThumb'] == "1") {
         $tsize = explode('x', strtolower($settingInfo['thumbSize']));
         if ($fileWidth > $tsize[0] || $fileHeight > $tsize[1]) {
             $attach_thumb = array('filepath' => "../attachments/" . $value, 'filename' => $attachment, 'extension' => $fileType, 'thumbswidth' => $tsize[0], 'thumbsheight' => $tsize[1]);
             $thumb_data = generate_thumbnail($attach_thumb);
             $fileWidth = $thumb_data['thumbwidth'];
             $fileHeight = $thumb_data['thumbheight'];
             $thumbfile = $thumb_data['thumbfilepath'];
             $value = str_replace("../attachments/", "", $thumbfile);
         }
     }
 } else {
     $thumbfile = "";
 }
 //写进数据库
 $fileName = $attdesc == "" ? $fileName : encode($attdesc) . "." . $fileType;
 $rsexits = getFieldValue($DBPrefix . "attachments", "attTitle='" . $fileName . "' and fileType='" . $updateStyle . "' and fileSize='" . $fileSize . "' and logId='0'", "name");
 if ($rsexits == "") {
     $sql = "INSERT INTO " . $DBPrefix . "attachments(name,attTitle,fileType,fileSize,fileWidth,fileHeight,postTime,logId) VALUES ('{$value}','{$fileName}','{$updateStyle}','{$fileSize}','{$fileWidth}','{$fileHeight}','" . time() . "',0)";
     $DMC->query($sql);

         // the file cannot be copied
         $error .= $pgv_lang["upload_error"] . "<br />" . print_text('copy_error', 0, 1) . "<br />";
     } else {
         @chmod(filename_decode($whichFile2), PGV_PERM_FILE);
         AddToLog("Media file {$folderName}{$mediaFile} copied from {$thumbFolderName}{$mediaFile}");
     }
 }
 if ($error == "" && !empty($_FILES["mediafile"]["name"]) && empty($_FILES["thumbnail"]["name"])) {
     if (safe_POST('genthumb', 'yes', 'no') == 'yes') {
         // Generate thumbnail from main image
         $parts = pathinfo_utf($mediaFile);
         if (!empty($parts["extension"])) {
             $ext = strtolower($parts["extension"]);
             if (isImageTypeSupported($ext)) {
                 $thumbnail = $thumbFolderName . $mediaFile;
                 $okThumb = generate_thumbnail($folderName . $mediaFile, $thumbnail, "OVERWRITE");
                 if (!$okThumb) {
                     $error .= print_text("thumbgen_error", 0, 1);
                 } else {
                     print_text("thumb_genned");
                     print "<br />";
                     AddToLog("Media thumbnail {$thumbnail} generated");
                 }
             }
         }
     }
 }
 // Let's see if there are any errors generated and print it
 if (!empty($error)) {
     echo '<span class="error">', $error, "</span><br />\n";
     $mediaFile = "";

     echo "</td></tr>";
     foreach ($dirs as $indexval => $dir) {
         echo "<tr><td class=\"list_value {$TEXT_DIRECTION}\" colspan=\"2\">";
         echo "<a href=\"", encode_url("find.php?directory={$directory}{$dir}/&thumbdir={$directory}{$dir}/&level=" . ($level + 1) . "{$thumbget}&type=media&choose={$choose}"), "\"><span dir=\"ltr\">", $dir, "</span></a>";
         echo "</td></tr>";
     }
 }
 echo "<tr><td class=\"descriptionbox {$TEXT_DIRECTION}\" colspan=\"2\"></td></tr>";
 /**
  * This action generates a thumbnail for the file
  *
  * @name $create->thumbnail
  */
 if ($create == "thumbnail") {
     $filename = $_REQUEST["file"];
     generate_thumbnail($directory . $filename, $thumbdir . $filename);
 }
 echo "<br />";
 // display the images TODO x across if lots of files??
 if (count($medialist) > 0) {
     foreach ($medialist as $indexval => $media) {
         // Check if the media belongs to the current folder
         preg_match_all("/\\//", $media["FILE"], $hits);
         $ct = count($hits[0]);
         if ($ct <= $level + 1 && $external_links != "http" && !isFileExternal($media["FILE"]) || isFileExternal($media["FILE"]) && $external_links == "http") {
             // simple filter to reduce the number of items to view
             $isvalid = filterMedia($media, $filter, 'http');
             if ($isvalid && $chooseType != "all") {
                 if ($chooseType == "0file" && !empty($media["XREF"])) {
                     $isvalid = false;
                 }

function insert_thumbnail_content($recid, $url)
{
    if (defined('DT_THUMBNAIL')) {
        $res = generate_thumbnail($url, false);
        if (!array_key_exists("error", $res)) {
            mysql_query('insert into recDetails (dtl_RecID, dtl_DetailTypeID, dtl_UploadedFileID) values (' . $recid . ',' . DT_THUMBNAIL . ',' . $res['file']['id'] . ')');
        }
    }
}

// travesal protection
if (!filepath_is_safe(GSDATAUPLOADPATH . $sub_path . $file, GSDATAUPLOADPATH, true, true)) {
    die('invalid image');
}
// Debugging Request
// returns the imagemanipulation object json encoded,
// add base64 encoded image data ['data']
// add filesize ['bytes']
// add url to image if it was saved ['url']
if (isset($_REQUEST['debug']) || isset($_REQUEST['json'])) {
    ob_start();
    // $outfile = null;
}
// @todo: if needing to save as attachement from post, might need this else second request might be made with post data missing
// header('Content-Disposition: Attachment;filename='.$outfile);
$image = generate_thumbnail($file, $sub_path, $outfile, $max_x, $max_y, $crop, $image_quality, $show = true, $image_type);
if (isset($_REQUEST['debug']) || isset($_REQUEST['json'])) {
    $output = ob_get_contents();
    // get the image as a string in a variable
    ob_end_clean();
    //Turn off output buffering and clean it
    header("Content-Type: text/json");
    // add filesize and base64 encoded image
    $image->image['bytes'] = strlen($output);
    // size in bytes
    $image->imagedata = base64_encode($output);
    // remove resources and filepaths
    unset($image->image['src']);
    unset($image->image['des']);
    unset($image->image['srcfile']);
    unset($image->image['outfile']);

function get_uploaded_image($var = 'product_image', $width = 0, $height = 0)
{
    // Check
    if (!isset($_FILES[$var])) {
        return false;
    }
    if (!isset($_FILES[$var]['tmp_name'])) {
        return false;
    }
    if (!is_uploaded_file($_FILES[$var]['tmp_name'])) {
        return false;
    }
    // Get tmp file
    $tmpfile = tempnam(sys_get_temp_dir(), 'pi');
    // Strip exif
    if ($_FILES[$var]['type'] == 'image/gif') {
        $image = imagecreatefromgif($_FILES[$var]['tmp_name']);
        imagegif($image, $tmpfile);
    } elseif ($_FILES[$var]['type'] == 'image/png') {
        $image = imagecreatefrompng($_FILES[$var]['tmp_name']);
        imagepng($image, $tmpfile, 100);
    } elseif ($_FILES[$var]['type'] == 'image/jpg') {
        $image = imagecreatefromjpeg($_FILES[$var]['tmp_name']);
        imagejpeg($image, $tmpfile, 100);
    } else {
        return file_get_contents($_FILES[$var]['tmp_name']);
    }
    // Resize, if needed
    if ($width > 0 && $height > 0) {
        $contents = generate_thumbnail($tmpfile, $width, $height);
    } else {
        $contents = file_get_contents($tmpfile);
    }
    // Return
    @unlink($tmpfile);
    return $contents;
}

//.........这里部分代码省略.........
    }
    // Check if the attachment directory (YYYYMM) exists, if not, create it
    $month_dir = gmdate("Ym");
    if (!@is_dir($mybb->settings['uploadspath'] . "/" . $month_dir)) {
        @mkdir($mybb->settings['uploadspath'] . "/" . $month_dir);
        // Still doesn't exist - oh well, throw it in the main directory
        if (!@is_dir($mybb->settings['uploadspath'] . "/" . $month_dir)) {
            $month_dir = '';
        }
    }
    // If safe_mode is enabled, don't attempt to use the monthly directories as it won't work
    if (ini_get('safe_mode') == 1 || strtolower(ini_get('safe_mode')) == 'on') {
        $month_dir = '';
    }
    // All seems to be good, lets move the attachment!
    $filename = "post_" . $mybb->user['uid'] . "_" . TIME_NOW . "_" . md5(random_str()) . ".attach";
    $file = upload_file($attachment, $mybb->settings['uploadspath'] . "/" . $month_dir, $filename);
    // Failed to create the attachment in the monthly directory, just throw it in the main directory
    if ($file['error'] && $month_dir) {
        $file = upload_file($attachment, $mybb->settings['uploadspath'] . '/', $filename);
    }
    if ($month_dir) {
        $filename = $month_dir . "/" . $filename;
    }
    if ($file['error']) {
        $ret['error'] = $lang->error_uploadfailed . $lang->error_uploadfailed_detail;
        switch ($file['error']) {
            case 1:
                $ret['error'] .= $lang->error_uploadfailed_nothingtomove;
                break;
            case 2:
                $ret['error'] .= $lang->error_uploadfailed_movefailed;
                break;
        }
        return $ret;
    }
    // Lets just double check that it exists
    if (!file_exists($mybb->settings['uploadspath'] . "/" . $filename)) {
        $ret['error'] = $lang->error_uploadfailed . $lang->error_uploadfailed_detail . $lang->error_uploadfailed_lost;
        return $ret;
    }
    // Generate the array for the insert_query
    $attacharray = array("pid" => intval($pid), "posthash" => $posthash, "uid" => $mybb->user['uid'], "filename" => $db->escape_string($file['original_filename']), "filetype" => $db->escape_string($file['type']), "filesize" => intval($file['size']), "attachname" => $filename, "downloads" => 0, "dateuploaded" => TIME_NOW);
    // If we're uploading an image, check the MIME type compared to the image type and attempt to generate a thumbnail
    if ($ext == "gif" || $ext == "png" || $ext == "jpg" || $ext == "jpeg" || $ext == "jpe") {
        // Check a list of known MIME types to establish what kind of image we're uploading
        switch (my_strtolower($file['type'])) {
            case "image/gif":
                $img_type = 1;
                break;
            case "image/jpeg":
            case "image/x-jpg":
            case "image/x-jpeg":
            case "image/pjpeg":
            case "image/jpg":
                $img_type = 2;
                break;
            case "image/png":
            case "image/x-png":
                $img_type = 3;
                break;
            default:
                $img_type = 0;
        }
        $supported_mimes = array();
        $attachtypes = $cache->read("attachtypes");
        foreach ($attachtypes as $attachtype) {
            if (!empty($attachtype['mimetype'])) {
                $supported_mimes[] = $attachtype['mimetype'];
            }
        }
        // Check if the uploaded file type matches the correct image type (returned by getimagesize)
        $img_dimensions = @getimagesize($mybb->settings['uploadspath'] . "/" . $filename);
        if (!is_array($img_dimensions) || $img_dimensions[2] != $img_type && !in_array(mime_content_type($filename), $supported_mimes)) {
            @unlink($mybb->settings['uploadspath'] . "/" . $filename);
            $ret['error'] = $lang->error_uploadfailed;
            return $ret;
        }
        require_once MYBB_ROOT . "inc/functions_image.php";
        $thumbname = str_replace(".attach", "_thumb.{$ext}", $filename);
        $thumbnail = generate_thumbnail($mybb->settings['uploadspath'] . "/" . $filename, $mybb->settings['uploadspath'], $thumbname, $mybb->settings['attachthumbh'], $mybb->settings['attachthumbw']);
        if ($thumbnail['filename']) {
            $attacharray['thumbnail'] = $thumbnail['filename'];
        } elseif ($thumbnail['code'] == 4) {
            $attacharray['thumbnail'] = "SMALL";
        }
    }
    if ($forum['modattachments'] == 1 && !is_moderator($forum['fid'], "", $mybb->user['uid'])) {
        $attacharray['visible'] = 0;
    } else {
        $attacharray['visible'] = 1;
    }
    $plugins->run_hooks_by_ref("upload_attachment_do_insert", $attacharray);
    $aid = $db->insert_query("attachments", $attacharray);
    if ($tid) {
        update_thread_counters($tid, array("attachmentcount" => "+1"));
    }
    $ret['aid'] = $aid;
    return $ret;
}

function EditPicture2()
{
    global $mybb, $lang, $db, $gallerySettings, $gd2, $plugins;
    $id = intval($_REQUEST['id']);
    if (empty($id)) {
        fatal_error2($lang->gallery_error_no_pic_selected);
    }
    // Verify incoming POST request
    verify_post_check($mybb->get_input('my_post_key'));
    // Check the user permissions
    $dbresult = $db->query("\n    SELECT \n    \tID_MEMBER,thumbfilename,filename \n    FROM " . TABLE_PREFIX . "gallery_pic \n    WHERE ID_PICTURE = {$id} LIMIT 1");
    $row = $db->fetch_array($dbresult);
    $memID = $row['ID_MEMBER'];
    $oldfilename = $row['filename'];
    $oldthumbfilename = $row['thumbfilename'];
    if (allowedTo('manage') || allowedTo('edit') && $mybb->user['uid'] == $memID) {
        if (!is_writable($gallerySettings['gallery_path'])) {
            fatal_error2($lang->gallery_write_error . $gallerySettings['gallery_path']);
        }
        $title = htmlspecialchars_uni($_REQUEST['title']);
        $description = htmlspecialchars_uni($_REQUEST['description']);
        $keywords = htmlspecialchars_uni($_REQUEST['keywords']);
        $cat = intval($_REQUEST['cat']);
        @($allowcomments = $_REQUEST['allowcomments']);
        //Check if pictures are auto approved
        $approved = allowedTo('autoapprove') ? 1 : 0;
        //Allow comments on picture if no setting set.
        if (empty($gallerySettings['gallery_commentchoice']) || $gallerySettings['gallery_commentchoice'] == 0) {
            $allowcomments = 1;
        } else {
            if (empty($allowcomments)) {
                $allowcomments = 0;
            } else {
                $allowcomments = 1;
            }
        }
        if (trim($title) == '') {
            fatal_error2($lang->gallery_error_no_title, false);
        }
        if (empty($cat)) {
            fatal_error2($lang->gallery_error_no_cat, false);
        }
        CheckGalleryCategoryExists($cat);
        $testGD = get_extension_funcs('gd');
        $gd2 = in_array('imagecreatetruecolor', $testGD) && function_exists('imagecreatetruecolor');
        unset($testGD);
        require_once MYBB_ROOT . "inc/functions_image.php";
        //Process Uploaded file
        if (isset($_FILES['picture']['name']) && $_FILES['picture']['name'] != '') {
            $sizes = getimagesize($_FILES['picture']['tmp_name']);
            $failed = false;
            if ($sizes === false) {
                @unlink($gallerySettings['gallery_path'] . '/img.tmp');
                move_uploaded_file($_FILES['picture']['tmp_name'], $gallerySettings['gallery_path'] . '/img.tmp');
                $_FILES['picture']['tmp_name'] = $gallerySettings['gallery_path'] . '/img.tmp';
                $sizes = getimagesize($_FILES['picture']['tmp_name']);
                $failed = true;
            }
            // No size, then it's probably not a valid pic.
            if ($sizes === false) {
                fatal_error2($lang->gallery_error_invalid_picture, false);
            } elseif (!empty($gallerySettings['gallery_max_width']) && $sizes[0] > $gallerySettings['gallery_max_width'] || !empty($gallerySettings['gallery_max_height']) && $sizes[1] > $gallerySettings['gallery_max_height']) {
                fatal_error2($lang->gallery_error_img_size_height . $sizes[1] . $lang->gallery_error_img_size_width . $sizes[0], false);
            } else {
                //Get the filesize
                $filesize = $_FILES['picture']['size'];
                if (!empty($gallerySettings['gallery_max_filesize']) && $filesize > $gallerySettings['gallery_max_filesize']) {
                    //Delete the temp file
                    @unlink($_FILES['picture']['tmp_name']);
                    fatal_error2($lang->gallery_error_img_filesize . gallery_format_size($gallerySettings['gallery_max_filesize'], 2), false);
                }
                //Delete the old files
                @unlink($gallerySettings['gallery_path'] . $oldfilename);
                @unlink($gallerySettings['gallery_path'] . $oldthumbfilename);
                //Filename Member Id + Day + Month + Year + 24 hour, Minute Seconds
                $extensions = array(1 => 'gif', 2 => 'jpeg', 3 => 'png', 5 => 'psd', 6 => 'bmp', 7 => 'tiff', 8 => 'tiff', 9 => 'jpeg', 14 => 'iff');
                $extension = isset($extensions[$sizes[2]]) ? $extensions[$sizes[2]] : '.bmp';
                $filename = $mybb->user['uid'] . '_' . date('d_m_y_g_i_s') . '.' . $extension;
                if ($failed == false) {
                    move_uploaded_file($_FILES['picture']['tmp_name'], $gallerySettings['gallery_path'] . $filename);
                } else {
                    rename($_FILES['picture']['tmp_name'], $gallerySettings['gallery_path'] . $filename);
                }
                @chmod($gallerySettings['gallery_path'] . $filename, 0644);
                //Create thumbnail
                $tmp = generate_thumbnail($gallerySettings['gallery_path'] . $filename, substr($gallerySettings['gallery_path'], 0, -1), 'thumb_' . $filename, $gallerySettings['gallery_set_thumb_height'], $gallerySettings['gallery_set_thumb_width']);
                $thumbname = 'thumb_' . $filename;
                if ($tmp['code'] == '4') {
                    copy($gallerySettings['gallery_path'] . $filename, $gallerySettings['gallery_path'] . $thumbname);
                    @chmod($gallerySettings['gallery_path'] . $thumbname, 0644);
                }
                //Update the Database entry
                $t = time();
                $db->query("UPDATE " . TABLE_PREFIX . "gallery_pic\n\t\t\t\t\tSET ID_CAT = {$cat}, filesize = {$filesize}, filename = '{$filename}',  thumbfilename = '{$thumbname}', height = {$sizes['1']}, width = {$sizes['0']}, approved = {$approved}, date =  {$t}, title = '{$title}', description = '{$description}', keywords = '{$keywords}', allowcomments = {$allowcomments} WHERE ID_PICTURE = {$id} LIMIT 1");
                $plugins->run_hooks("gallery_edit_picture_completed");
                //Redirect to the users image page.
                redirect('ezgallery.php?action=myimages&u=' . $mybb->user['uid']);
            }
        } else {
            // Update the image properties if no upload has been set
//.........这里部分代码省略.........

		$val = base64_encode($text);
		header("Location: ".HEURIST_BASE_URL."/#data=" . $val);
		return "";
	}
	ob_start("outputAsRedirect");

	if ($_POST["heurist-sessionid"] != $_COOKIE["heurist-sessionid"]) {	// saw TODO: check that this is ok or should this be the database session?
		// saveFile is only available through dispatcher.php, or if heurist-sessionid is known (presumably only our scripts will know this)
		getError("unauthorised HAPI user");
	}
}
*/
if (@$_REQUEST['url']) {
    $sURL = $_REQUEST['url'];
    //url to be thumbnailed
    $res = generate_thumbnail($sURL, true);
    print json_format($res);
    exit;
}
//
// main function
//
function generate_thumbnail($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);