php – how to display the other lines in phpexcel?

require_once (& # 39; ./ u / excel / Classes / PHPExcel.php & # 39;)
require_once (& # 39; ./ u / excel / Classes / PHPExcel / Reader / Excel2007.php & # 39;);
$ objReader = new PHPExcel_Reader_Excel2007 ();
$ objPHPExcel = $ objReader-> load ("./ u / precios.xlsx");
$ objDate = new PHPExcel_Shared_Date ();

$ pagexcel = 0;
$ objPHPExcel-> setActiveSheetIndex ($ pagexcel);
$ RowsNumberNumber = $ objPHPExcel-> getActiveSheet () -> getHighestRow ();
$ Columns QUANTERLETRAS = $ objPHPExcel-> getActiveSheet () -> getHighestColumn ();
$ contentparabusquedavanzada = array ();

echo& # 39 ;;
for ($ row = 1; $ row <= $ RowsQuantityNUMBERS; $ row ++) {
echo& # 39 ;;
echo& # 39 ;;
echo& # 39 ;;
echo& # 39 ;;
echo& # 39 ;;
echo& # 39 ;;
$ contentparabusquedavanzada[]= $ objPHPExcel-> getActiveSheet () -> getCellByColumnAndRow (-A, $ row) -> getValue ();
} echo
& # 39; $ $ row. & # 39;& # 39 ;. $ objPHPExcel-> getActiveSheet () -> getCellByColumnAndRow (-A, $ row) -> getValue (). & # 39;& # 39 ;. $ objPHPExcel-> getActiveSheet () -> getCellByColumnAndRow (B, $ row) -> getValue (). & # 39;& # 39 ;. $ objPHPExcel-> getActiveSheet () -> getCellByColumnAndRow (C, $ row) -> getValue (). & # 39;
& # 39 ;;

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How can I make him display the corresponding results of the lines? you have well defined columns A B C, someone explains the error please <3