<?php
function excelToArray($file, $highestColumn) {
    include 'Classes/PHPExcel/IOFactory.php';

    $inputFileName = $file;

    //  Read your Excel workbook
    try {
        $inputFileType = call_user_func(array('PHPExcel_IOFactory', 'identify'), $inputFileName);
        $objReader = call_user_func(array('PHPExcel_IOFactory','createReader'),$inputFileType);
        //$inputFileType = PHPExcel_IOFactory::identify($inputFileName);
        //$objReader = PHPExcel_IOFactory::createReader($inputFileType);
        $objPHPExcel = $objReader->load($inputFileName);
    } catch(Exception $e) {
        die('Error loading file "'.pathinfo($inputFileName,PATHINFO_BASENAME).'": '.$e->getMessage());
    }

    $sheet = $objPHPExcel->getSheet(0);
    $highestRow = $sheet->getHighestRow();
    //$highestColumn = 'E';

    //  Loop through each row of the worksheet in turn
    for ($row = 1; $row <= $highestRow; $row++){
        //  Read a row of data into an array
        $rowData[] = $sheet->rangeToArray('A' . $row . ':' . $highestColumn . $row, NULL, TRUE, FALSE);
        //  Insert row data array into your database of choice here
    }
    return $rowData;
}

$data = excelToArray('test.xlsx','E');
print_r($data);
?>