카타 8급 Returning Strings

C++

std::string greet(const std::string& n){
  return "Hello, "+n+" how are you doing today?";
}

PHP

function greet($name) {
  return "Hello, $name how are you doing today?";
}

function greet($name) {
  return sprintf("Hello, %s how are you doing today?", $name);
}

function greet($name) {
  return 'Hello, ' . $name . ' how are you doing today?';
}