public function current() {
    if ($this->position >= $this->length) {
      return NULL;
    }
    return $this->tokens[$this->position];
  }
public function current() {
    if ($this->position >= $this->length) {
      return NULL;
    }
    return $this->tokens[$this->position];
  }
public function current ( ) { if ( $ this -> position >= $ this -> length ) { return NULL ; } return $ this -> tokens [ $ this -> position ] ; }
Return the current token.
@return TokenNode
Return the current token .