<?php
function displayimg($image) {
    $image = './upload/' . imgdecode($image);
    //echo $image;exit;
    if (file_exists($image)) {
        $info = getimagesize($image);
        header("Content-type:$info[mime]");
        switch ($info[2]) {
            case 1:
                $cimage = imagecreatefromgif($image);
                imagegif($cimage);
                imagedestroy($cimage);
                break;
            case 2:
                $cimage = imagecreatefromjpeg($image);
                imagejpeg($cimage);
                imagedestroy($cimage);
                break;
            case 3:
                $cimage = imagecreatefrompng($image);
                imagepng($cimage);
                imagedestroy($cimage);
                break;
            case 6:
                $cimage = imagecreatefromwbmp($image);
                imagewbmp($cimage);
                imagedestroy($cimage);
                break;
        }
        echo $simage;
    } else {
        header("HTTP/1.0 404 Not Found");
    }
}

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