title: PHP Convert emojis from UTF-8 to UTF-8 Bytes (UTF-16)
body: <p>So I need this: \ud83d\ude01  turned into this: \xF0\x9F\x98\x81
  I have been digging around and for the life of me I can not figure out how that would be done.
  Can someone please help me out?
  Thanks in advance.</p>