original_string: public function header($name)
      {
          $exists = isset($this->headers[$name]);
  
          return $exists ? $this->headers[$name] : array();
  
          // getHeader
      }
code: public function header($name)
      {
          $exists = isset($this->headers[$name]);
  
          return $exists ? $this->headers[$name] : array();
  
          // getHeader
      }
code_tokens: public function header ( $ name ) { $ exists = isset ( $ this -> headers [ $ name ] ) ; return $ exists ? $ this -> headers [ $ name ] : array ( ) ; // getHeader }
docstring: Returns a message header value by the given case-insensitive name.
  
  @param  string $name
  @return array
docstring_tokens: Returns a message header value by the given case - insensitive name .