phpexcel读取excel文件并返回数组格式数据

<?php 
        import('Lib.Excel.PHPExcel');
        $object = new \PHPExcel();
        //excel文件路径
        $filePath = 'phone.xlsx';
        // $data = $object->load($filePath); 
        $PHPReader = new \PHPExcel_Reader_Excel2007(); 
        if(!$PHPReader->canRead($filePath)){ 
            $PHPReader = new \PHPExcel_Reader_Excel5(); 
            if(!$PHPReader->canRead($filePath)){ 
                echo 'no Excel'; 
                return ; 
            }  
        } 
        //载入文件,输出数组
        $PHPExcel = $PHPReader->load($filePath); 
        $data = $PHPExcel->getActiveSheet()->toArray();
        var_dump($data);
?>