private function globalVar() {
    if ($this->currentType === T_VARIABLE) {
      return $this->mustMatchToken(T_VARIABLE);
    }
    elseif ($this->currentType === '$') {
      if ($this->isLookAhead('{')) {
        return $this->_compoundVariable();
      }
      else {
        $node = new VariableVariableNode();
        $this->mustMatch('$', $node);
        $node->addChild($this->variable());
        return $node;
      }
    }
    throw new ParserException(
      $this->filename,
      $this->iterator->getLineNumber(),
      $this->iterator->getColumnNumber(),
      'expected a global variable (eg. T_VARIABLE)');
  }
private function globalVar() {
    if ($this->currentType === T_VARIABLE) {
      return $this->mustMatchToken(T_VARIABLE);
    }
    elseif ($this->currentType === '$') {
      if ($this->isLookAhead('{')) {
        return $this->_compoundVariable();
      }
      else {
        $node = new VariableVariableNode();
        $this->mustMatch('$', $node);
        $node->addChild($this->variable());
        return $node;
      }
    }
    throw new ParserException(
      $this->filename,
      $this->iterator->getLineNumber(),
      $this->iterator->getColumnNumber(),
      'expected a global variable (eg. T_VARIABLE)');
  }
private function globalVar ( ) { if ( $ this -> currentType === T_VARIABLE ) { return $ this -> mustMatchToken ( T_VARIABLE ) ; } elseif ( $ this -> currentType === '$' ) { if ( $ this -> isLookAhead ( '{' ) ) { return $ this -> _compoundVariable ( ) ; } else { $ node = new VariableVariableNode ( ) ; $ this -> mustMatch ( '$' , $ node ) ; $ node -> addChild ( $ this -> variable ( ) ) ; return $ node ; } } throw new ParserException ( $ this -> filename , $ this -> iterator -> getLineNumber ( ) , $ this -> iterator -> getColumnNumber ( ) , 'expected a global variable (eg. T_VARIABLE)' ) ; }
Parse global variable.
@return Node
@throws ParserException
Parse global variable .