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

<?php<br />require_once("razorflow_php\lib\core\StandaloneDashboard.php")<br />class SampleDashboard extends StandaloneDashboard {<br />    public function buildDashboard () {<br />        $table = new TableComponent('table1');<br />        $table->setCaption("Regional Sales");<br />        $table->setDimensions (4, 4);<br />        $table->setRowsPerPage (8);<br />        $table->addColumn('zone', "Zone");<br />        $table->addColumn('name', "Store Name");<br />        $table->addColumn('sale', "Sales Amount", array(<br />          "dataType" => "number",<br />          "numberPrefix" => "$ ",<br />          "textAlign" => "center"<br />        ));<br /><br />        $data = array(<br />          array("zone" => "North", "name" => "Northern Stores", "sale" => 4000),<br />          array("zone" => "South", "name" => "Southern Stores", "sale" => 4500)<br />        );<br /><br />        $table->addMultipleRows($data);<br /><br />        $this->addComponent ($table);<br />    }<br />}<br /><br />$db = new SampleDashboard();<br />$db->renderStandalone();