(PHP 4 >= 4.3.0)
image_type_to_mime_type -- Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail, exif_imagetypeThe image_type_to_mime_type() function will determine the Mime-Type for an IMAGETYPE constant.
Note: This function does not require the GD image library.
See also getimagesize(), exif_imagetype(), exif_read_data() and exif_thumbnail().