howto allow this char. in sql and php

this one    ¯\(°_o)/¯

its for a chat program, ajax chat that works with php smf ybb phpbb...
I want to do this:
<?php

// Chat bot messages
if(stristr($text, 'how do I shot web?'))
      {
// KEYWORDS TRIGGER START
    $this->insertChatBotMessage(
                    $this->getPrivateMessageID(),
"\nlol ¯\(°_o)/¯  IDK?\n" //This is what the chatbot says when the visitor enters help me anywhere in a sentence!
 );
}