mmucklo / DtcGridBundle

Mapper/ArrayValueObject.php

<?php

namespace Dtc\GridBundle\Mapper;

use ArrayObject;
use Exception;

class ArrayValueObject extends ArrayObject
{
    public function getValueByArray(array $params)
    {
        $data = &$this;
        $total = count($params);
        $key = current($params);

        if (0 === $total) {
            throw new Exception('requires at least 1 arg');
        }

        if (null === $key) {
            throw new Exception('requires non NULL args');
        }
        if (!is_scalar($key)) {
            throw new Exception('requires scalar args');
        }
        if (!isset($data[$key])) {
            return null;
        }

        if (1 === $total) {
            return $data[$key];
        }

        $data = &$data[$key];
        $args = array_slice($params, 1);

        $count = 0;
        foreach ($args as $key) {
            if ($count++ > 100) {
                exit();

Using exit here is not recommended.

            }

            if (is_array($data)) {
                if (!isset($data[$key])) {
                    return null;
                } else {
                    $data = &$data[$key];
                }
            } else {
                return null;
            }
        }

        return $data;
    }

    public function getValue()
    {
        return $this->getValueByArray(func_get_args());
    }
}