vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Csv.php

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<?php

namespace PhpOffice\PhpSpreadsheet\Reader;

use InvalidArgumentException;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

class Csv extends BaseReader
{
    /**
     * Input encoding.
     *
     * @var string
     */
    private $inputEncoding = 'UTF-8';

    /**
     * Delimiter.
     *
     * @var string
     */
    private $delimiter;

    /**
     * Enclosure.
     *
     * @var string
     */
    private $enclosure = '"';

    /**
     * Sheet index to read.
     *
     * @var int
     */
    private $sheetIndex = 0;

    /**
     * Load rows contiguously.
     *
     * @var bool
     */
    private $contiguous = false;

    /**
     * The character that can escape the enclosure.
     *
     * @var string
     */
    private $escapeCharacter = '\\';

    /**
     * Create a new CSV Reader instance.
     */
    public function __construct()
    {
        parent::__construct();
    }