How to Read CSV Data as an Array in Magento 2

Sometime as a Magento 2 developer you want to fetch the third party data in a form of CSV file. However you do not need all data from it. At that time if you convert the CSV data in to array then it becomes very easy to manipulate. Using Magento\Framework\File\Csv built in class, you can read csv data as an array in Magento 2.

Read CSV Data as an Array in Magento 2


namespace Codextblog\Demo\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\File\Csv;
use Magento\Framework\Filesystem\Driver\File;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\Exception\FileSystemException;

class Price extends AbstractHelper
     * @var DirectoryList
    protected $directoryList;
     * @var Csv
    protected $csv;
     * @var File
    protected $file;

    public function __construct(
        Context $context,
        DirectoryList $directoryList,
        Csv $csv,
        File $file
        $this->directoryList = $directoryList;
        $this->csv = $csv;
        $this->file = $file;

    public function readCsv($csvFilePath)
        $rootDirectory = $this->directoryList->getRoot();
        $csvFile = $rootDirectory . "/" . $csvFilePath;
        try {
            if ($this->file->isExists($csvFile)) {
                //set delimiter, for tab pass "\t"
                //get data as an array
                $data = $this->csv->getData($csvFile);
                if (!empty($data)) {
                    // ignore first header column and read data
                    foreach (array_slice($data, 1) as $key => $value) {
                        $columnFirst = trim($value['0']);
                        $columnSecond = trim($value['1']);
                        //and so on.
            } else {
                $this->_logger->info('Csv file not exist');
                return __('Csv file not exist');
        } catch (FileSystemException $e) {

In line number 48 we are using getData function to read csv data as an array. There is one more method called getDataPairs that read csv data as a pair array. That means array key is your first column and value is your rest of the column.

I hope this post will be helpful to you in your project. Correction or improvements to this code is highly appreciateble.

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