$v = @iconv('UTF-8', 'UTF-8//IGNORE', $v);
- $format = isset($formats[$col_cfg['format']] ) ? $formats[$col_cfg['format']] : false;
+
+ $format = isset($col_cfg['format']) && isset($formats[$col_cfg['format']] ) ? $formats[$col_cfg['format']] : false;
// print_R(array($start_row+$r, $c, $v, $format));exit;
$worksheet->write($start_row+$r, $c, $v, $format);
}