image_​type_​to_​mime_​type

<?

$image_type = IMAGETYPE_PNG;

$return = image_type_to_mime_type($image_type);

echo $return;

?>

image/png

<?

for($i = 1; $i <= 19; ++$i)
{
    $return = image_type_to_mime_type($i);

    echo "$i: $return\n";
}

?>

1: image/gif
2: image/jpeg
3: image/png
4: application/x-shockwave-flash
5: image/psd
6: image/bmp
7: image/tiff
8: image/tiff
9: application/octet-stream
10: image/jp2
11: application/octet-stream
12: application/octet-stream
13: application/x-shockwave-flash
14: image/iff
15: image/vnd.wap.wbmp
16: image/xbm
17: image/vnd.microsoft.icon
18: image/webp
19: image/avif