vendor/bacon/bacon-qr-code/src/BaconQrCode/Common/BitArray.php

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<?php
/**
 * BaconQrCode
 *
 * @link      http://github.com/Bacon/BaconQrCode For the canonical source repository
 * @copyright 2013 Ben 'DASPRiD' Scholzen
 * @license   http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
 */

namespace BaconQrCode\Common;

use SplFixedArray;

/**
 * A simple, fast array of bits.
 */
class BitArray
{
    /**
     * Bits represented as an array of integers.
     *
     * @var SplFixedArray
     */
    protected $bits;

    /**
     * Size of the bit array in bits.
     *
     * @var integer
     */
    protected $size;

    /**
     * Creates a new bit array with a given size.
     *
     * @param integer $size
     */
    public function __construct($size = 0)
    {
        $this->size = $size;
        $this->bits = new SplFixedArray(($this->size + 31) >> 3);
    }

    /**
     * Gets the size in bits.
     *
     * @return integer
     */
    public function getSize()
    {
        return $this->size;
    }

    /**
     * Gets the size in bytes.
     *
     * @return integer
     */
    public function getSizeInBytes()
    {