Parse error: syntax error, unexpected T_CLASS,该怎么处理

Parse error: syntax error, unexpected T_CLASS
最近学php，提示第三行有错误，帮忙看下是哪里错了？谢谢
“Parse error: syntax error, unexpected T_CLASS ” in test.php on line 3

class SampleDashboard extends StandaloneDashboard {
    public function buildDashboard () {
        $table = new TableComponent('table1');
        $table->setCaption("Regional Sales");
        $table->setDimensions (4, 4);
        $table->setRowsPerPage (8);
        $table->addColumn('zone', "Zone");
        $table->addColumn('name', "Store Name");
        $table->addColumn('sale', "Sales Amount", array(
          "dataType" => "number",
          "numberPrefix" => "$ ",
          "textAlign" => "center"
        ));

        $data = array(
          array("zone" => "North", "name" => "Northern Stores", "sale" => 4000),
          array("zone" => "South", "name" => "Southern Stores", "sale" => 4500)
        );

        $table->addMultipleRows($data);

        $this->addComponent ($table);
    }
}

$db = new SampleDashboard();
$db->renderStandalone();

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------解决方案--------------------
第二行 require_once("razorflow_php\lib\core\StandaloneDashboard.php") 后面少了行结束符 ;（分号）