Der Fehler müsste in der letzten Zeile sein. ("on line 227")
Code:
<?php
/**
* MyBB 1.4
* Copyright © 2008 MyBB Group, All Rights Reserved
*
* Website: http://www.mybboard.net
* License: http://www.mybboard.net/about/license
*
* $Id: functions_image.php 4224 2008-10-05 11:17:04Z Tikitiki $
*/
/**
* Generates a thumbnail based on specified dimensions (supports png, jpg, and gif)
*
* @param string the full path to the original image
* @param string the directory path to where to save the new image
* @param string the filename to save the new image as
* @param integer maximum hight dimension
* @param integer maximum width dimension
* @return array thumbnail on success, error code 4 on failure
*/
function generate_thumbnail($file, $path, $filename, $maxheight, $maxwidth)
{
if(!function_exists("imagecreate"))
{
$thumb['code'] = 3;
return $thumb;
}
list($imgwidth, $imgheight, $imgtype, $imgattr, $imgbits, $imgchan) = getimagesize($file);
if($imgwidth == 0 || $imgheight == 0)
{
$thumb['code'] = 3;
return $thumb;
}
if(($imgwidth >= $maxwidth) || ($imgheight >= $maxheight))
{
check_thumbnail_memory($imgwidth, $imgheight, $imgtype, $imgbits, $imgchan);
if($imgtype == 3)
{
if(@function_exists("imagecreatefrompng"))
{
$im = @imagecreatefrompng($file);
}
}
elseif($imgtype == 2)
{
if(@function_exists("imagecreatefromjpeg"))
{
$im = @imagecreatefromjpeg($file);
}
}
elseif($imgtype == 1)
{
if(@function_exists("imagecreatefromgif"))
{
$im = @imagecreatefromgif($file);
}
}
else
{
$thumb['code'] = 3;
return $thumb;
}
if(!$im)
{
$thumb['code'] = 3;
return $thumb;
}
$scale = scale_image($imgwidth, $imgheight, $maxwidth, $maxheight);
$thumbwidth = $scale['width'];
$thumbheight = $scale['height'];
$thumbim = @imagecreatetruecolor($thumbwidth, $thumbheight);
if(!$thumbim)
{
$thumbim = @imagecreate($thumbwidth, $thumbheight);
$resized = true;
}
// Attempt to preserve the transparency if there is any
$trans_color = imagecolortransparent($im);
if($trans_color >= 0 && $trans_color < imagecolorstotal($im))
{
$trans = imagecolorsforindex($im, $trans_colors);
$new_trans_color = imagecolorallocate($thumbim, $trans['red'], $trans['blue'], $trans['green']);
imagefill($thumbim, 0, 0, $new_trans_color);
imagecolortransparent($thumbim, $new_trans_color);
}
if(!isset($resized))
{
@imagecopyresampled($thumbim, $im, 0, 0, 0, 0, $thumbwidth, $thumbheight, $imgwidth, $imgheight);
}
else
{
@imagecopyresized($thumbim, $im, 0, 0, 0, 0, $thumbwidth, $thumbheight, $imgwidth, $imgheight);
}
@imagedestroy($im);
if(!function_exists("imagegif") && $imgtype == 1)
{
$filename = str_replace(".gif", ".jpg", $filename);
}
switch($imgtype)
{
case 1:
if(function_exists("imagegif"))
{
@imagegif($thumbim, $path."/".$filename);
}
else
{
@imagejpeg($thumbim, $path."/".$filename);
}
break;
case 2:
@imagejpeg($thumbim, $path."/".$filename);
break;
case 3:
@imagepng($thumbim, $path."/".$filename);
break;
}
@my_chmod($path."/".$filename, '0666');
@imagedestroy($thumbim);
$thumb['code'] = 1;
$thumb['filename'] = $filename;
return $thumb;
}
else
{
return array("code" => 4);
}
}
/**
* Attempts to allocate enough memory to generate the thumbnail
*
* @param integer hight dimension
* @param integer width dimension
* @param string one of the IMAGETYPE_XXX constants indicating the type of the image
* @param string the bits area the number of bits for each color
* @param string the channels - 3 for RGB pictures and 4 for CMYK pictures
*/
function check_thumbnail_memory($width, $height, $type, $bitdepth, $channels)
{
if(!function_exists("memory_get_usage"))
{
return false;
}
$memory_limit = @ini_get("memory_limit");
if(!$memory_limit || $memory_limit == -1)
{
return false;
}
$limit = preg_match("#^([0-9]+)\s?([kmg])b?$#i", trim(my_strtolower($memory_limit)), $matches);
$memory_limit = 0;
if($matches[1] && $matches[2])
{
switch($matches[2])
{
case "k":
$memory_limit = $matches[1] * 1024;
break;
case "m":
$memory_limit = $matches[1] * 1048576;
break;
case "g":
$memory_limit = $matches[1] * 1073741824;
}
}
$current_usage = memory_get_usage();
$free_memory = $memory_limit - $current_usage;
$thumbnail_memory = round(($width * $height * $bitdepth * $channels / 8) * 5);
$thumbnail_memory += 2097152;
if($thumbnail_memory > $free_memory)
{
if($matches[1] && $matches[2])
{
switch($matches[2])
{
case "k":
$memory_limit = (($memory_limit+$thumbnail_memory) / 1024)."K";
break;
case "m":
$memory_limit = (($memory_limit+$thumbnail_memory) / 1048576)."M";
break;
case "g":
$memory_limit = (($memory_limit+$thumbnail_memory) / 1073741824)."G";
}
}
@ini_set("memory_limit", $memory_limit);
}
}
/**
* Figures out the correct dimensions to use
*
* @param integer current hight dimension
* @param integer current width dimension
* @param integer max hight dimension
* @param integer max width dimension
* @return array correct height & width
*/
function scale_image($width, $height, $maxwidth, $maxheight)
{
$width = intval($width);
$height = intval($height);
if(!$width) $width = $maxwidth;
if(!$height) $height = $maxheight;
$newwidth = $width;
$newheight = $height;
if($width > $maxwidth)
{
$newwidth = $maxwidth;
$newheight = ceil(($height*(($maxwidth*100)/$width))/100);
$height = $newheight;
$width = $newwidth;
}
if($height > $maxheight)
