perbaikan.. semoga gk ada error

<?php
/*
kalau benar.. maka inilah hasil akhirnya!! point utama liat yg TERAKHIR!! LOL
*/
ob_start();
error_reporting(E_ALL);

require_once 'baru/Classes/PHPExcel.php';
// Create new PHPExcel object
$objPHPExcel = new PHPExcel();


mysql_connect("localhost", "root", "") or die(mysql_error());
mysql_select_db("work_fb2") or die(mysql_error());

@isset($_GET['ID_PEL'])?$ID_PEL=$_GET['ID_PEL']:$ID_PEL=0;
echo $ID_PEL;//=$_GET['ID_PEL'];

@isset($_GET['TGL'])?$unik = strtotime($_GET['TGL']." 1:0:0") :$unik=0;

$tanggal=date('Y-m-d', $unik);

$query = "SELECT a.NM, b.ID_PEL, b.NO_METER, b.DY_BR, b.GARDU, b.TIANG, b.TGL, c.C_TIM  FROM tm_plg a, td_plg b, t_tim c
where
a.ID_PEL=b.ID_PEL and
a.C_TIM=c.C_TIM and
a.STATUS_KSR=0 and
b.TGL='$tanggal'";

$hasil = mysql_query($query)or die($query."<br>".mysql_error());
/*
header dari excel
*/
// Set properties
$objPHPExcel->getProperties()->setCreator("Daud Edison Tarigan")
->setLastModifiedBy("Daud Edison Tarigan")
->setTitle("Office 2007 XLSX Test Document")
->setSubject("Office 2007 XLSX Test Document")
->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
->setKeywords("office 2007 openxml php")
->setCategory("Test result file");

$a=array();
 //Add some data
/*
HEADER TULISAN!!
*/
$a[5]=array('Data Pelanggan',
'Nama Tim'
, 'Tanggal'
, 'No'
, 'Nama'
, 'Id Pelanggan'
, 'Nomor Meter'
, 'Daya',
'Gardu',
 'Tiang'
 );

$rowNya = 6;
$no = 0;
while($row=mysql_fetch_array($hasil)){

    if($no==0)
        $a[2]=array(1=>$row['C_TIM'],$tanggal);

    $no++;

    $i2=$no+5; $a[$i2]=array( $no
    , $row['NM']
    , $row['ID_PEL']."    "
    , $row['NO_METER']."    "
    , $row['DY_BR']
    , $row['GARDU']
    ,$row['TIANG']
    );
    $rowNya = $rowNya + 1;
}



// Rename sheet
$objPHPExcel->getActiveSheet()->setTitle('Simple');

// Set active sheet index to the first sheet, so Excel opens this as the first sheet
$objPHPExcel->setActiveSheetIndex(0);

// Redirect output to a client’s web browser (Excel5)
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="database_plg.xls"');
header('Cache-Control: max-age=0');

/*
$s='<table border=0>';
for($i=0;$i<$i2;$i++)
{
    //$s.="\n<tr>";
    for($j=0;$j<7;$j++){
        @is_null($a[$i][$j])?$s.="\n\t<td>&nbsp;</td>":$s.="\n\t<td>".$a[$i][$j]."</td>";
    }
    //$s.="\n</tr>";
}
$s.='</table>';
DIGANTI JADI
*/
    for($i=0;$i<=count($a);$i++){
        for($j=0;$j<count($a[$i]);$j++){ //count($aData2)
            $pos=chr(65+$i).($j+1);
            $dt=$a[$i][$j];
            @is_null($a[$i][$j])?$dt='':$dt=$a[$i][$j];
            $objPHPExcel->setActiveSheetIndex(0)
                ->setCellValue($pos,$dt );
        }
    }
//echo ($s);
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
$objWriter->save('php://output');
?>
<? ob_flush(); ?>