image_type_to_extension
(PHP 5)
image_type_to_extension — Get file extension for image type
Description
   string image_type_to_extension
    ( int $imagetype
   [, bool $include_dot
  ] )
  Returns the extension for the given IMAGETYPE_XXX constant.
Parameters
- imagetype
 - 
      
One of the IMAGETYPE_XXX constant.
 - include_dot
 - 
      
Whether to prepend a dot to the extension or not. Default to TRUE.
 
Return Values
A string with the extension corresponding to the given image type.