Fatal error: Allowed memory size of 25165824 bytes exhausted (tried to allocate 24576 bytes)

 $fill=false;
   foreach($data as $row)
    {
        $this->Cell($w[0],6,$row[0],'LR',0,'L',$fill);
        $this->Cell($w[1],6,$row[1],'LR',0,'L',$fill);
        $this->Cell($w[2],6,$row[2],'LR',0,'L',$fill);
       $this->Cell($w[3],6,$row[3],'LR',0,'C',$fill);
      $this->Cell($w[4],6,number_format($row[4]),'LR',0,'R',$fill);
       $this->Cell($w[5],6,number_format($row[5]),'LR',0,'R',$fill);
       $this->Ln();
        $fill=!$fill;
   }
   $this->Cell(array_sum($w),0,'','T');
}
}
 
$pdf=new PDF();