That would spoil the joke.

˙ɔıuoɹı sı ʇɹoddns ǝpoɔıun ou s,ǝɹǝɥʇ ʇɐɥʇ ǝʇɐɔıpuı oʇ ʇı buısn os 'ɹǝʇɔɐɹɐɥɔ ǝpoɔıun ɐ ɟןǝsʇı uı sı ssoɹɔ ʇɐɥʇ

It's because there's a false semantic implied with the checkmark (that it's true instead of false), where instead the only thing that reallly matters is the encoding of the character. So it's not the most elegant solution (but it is pretty cool).

Ok - I cannot reply to your child post @aviraldg but I really want to know what utf-8 construct turned your text upside down.