original_string: public function setHost($pattern)
      {
          $this->host = (string) $pattern;
          $this->compiled = null;
  
          return $this;
      }
code: public function setHost($pattern)
      {
          $this->host = (string) $pattern;
          $this->compiled = null;
  
          return $this;
      }
code_tokens: public function setHost ( $ pattern ) { $ this -> host = ( string ) $ pattern ; $ this -> compiled = null ; return $ this ; }
docstring: Sets the pattern for the host.
  
  This method implements a fluent interface.
  
  @param string $pattern The host pattern
  
  @return $this
docstring_tokens: Sets the pattern for the host .