$size = getimagesize($upload_root."/".$_GET["boardid"]."/".$extra[$f]);
if($size[0]>$size[1]) {
$rewidth = $Records["img_icon_size"];
$reheight = $Records["img_icon_size"] * $size[1] / $size[0];
}else{
$rewidth = $Records["img_icon_size"] * $size[0] / $size[1];
$reheight = $Records["img_icon_size"];
}
$img_file_name = $upload_root."/".$_GET["boardid"]."/".$extra[$f];
$dstimg = ImageCreatetruecolor($rewidth,$reheight);
if($ext==".gif") $dstimg = ImageCreate($rewidth,$reheight);
if($ext==".jpg") $srcimg = ImageCreateFromJPEG($img_file_name);
if($ext==".gif") $srcimg = ImageCreateFromGIF($img_file_name);
if($ext==".png") $srcimg = ImageCreateFromPNG($img_file_name);
Imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
if($ext==".jpg") ImageJPEG($dstimg,$upload_root."/".$_GET["boardid"]."/thumb_".$extra[$f],90);
if($ext==".gif") ImageGIF($dstimg,$upload_root."/".$_GET["boardid"]."/thumb_".$extra[$f],90);
if($ext==".png") ImagePNG($dstimg,$upload_root."/".$_GET["boardid"]."/thumb_".$extra[$f],90);
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$rewidth = 800;
$reheight = 600;
$img_file_name = $upload_root."/".$_GET["boardid"]."/".$extra[$f];
$dstimg = ImageCreatetruecolor($rewidth,$reheight);
if($ext==".gif") $dstimg = ImageCreate($rewidth,$reheight);
if($ext==".jpg") $srcimg = ImageCreateFromJPEG($img_file_name);
if($ext==".gif") $srcimg = ImageCreateFromGIF($img_file_name);
if($ext==".png") $srcimg = ImageCreateFromPNG($img_file_name);
Imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
if($ext==".jpg") ImageJPEG($dstimg,$upload_root."/".$_GET["boardid"]."/".$extra[$f],90);
if($ext==".gif") ImageGIF($dstimg,$upload_root."/".$_GET["boardid"]."/".$extra[$f],90);
if($ext==".png") ImagePNG($dstimg,$upload_root."/".$_GET["boardid"]."/".$extra[$f],90);
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