I think you want wordpress setting for media
for medium size their are
get_option('medium_size_w');//width
get_option('medium_size_h');//height
all setting store in options table.get more media setting
I think you want wordpress setting for media
for medium size their are
get_option('medium_size_w');//width
get_option('medium_size_h');//height
all setting store in options table.get more media setting