<form method="POST">
    <h3>Editing: Chunk.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php declare(strict_types=1);
/*
 * This file is part of sebastian/diff.
 *
 * (c) Sebastian Bergmann &lt;sebastian@phpunit.de&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace SebastianBergmann\Diff;

final class Chunk
{
    /**
     * @var int
     */
    private $start;

    /**
     * @var int
     */
    private $startRange;

    /**
     * @var int
     */
    private $end;

    /**
     * @var int
     */
    private $endRange;

    /**
     * @var Line[]
     */
    private $lines;

    public function __construct(int $start = 0, int $startRange = 1, int $end = 0, int $endRange = 1, array $lines = [])
    {
        $this-&gt;start      = $start;
        $this-&gt;startRange = $startRange;
        $this-&gt;end        = $end;
        $this-&gt;endRange   = $endRange;
        $this-&gt;lines      = $lines;
    }

    public function getStart(): int
    {
        return $this-&gt;start;
    }

    public function getStartRange(): int
    {
        return $this-&gt;startRange;
    }

    public function getEnd(): int
    {
        return $this-&gt;end;
    }

    public function getEndRange(): int
    {
        return $this-&gt;endRange;
    }

    /**
     * @return Line[]
     */
    public function getLines(): array
    {
        return $this-&gt;lines;
    }

    /**
     * @param Line[] $lines
     */
    public function setLines(array $lines): void
    {
        foreach ($lines as $line) {
            if (!$line instanceof Line) {
                throw new InvalidArgumentException;
            }
        }

        $this-&gt;lines = $lines;
    }
}
</textarea><br>
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