Laravel Helper

data_get.php

<?php

function data_get($target, $key, $default = null)
{
    if (is_null($key)) {
        return $target;
    }

    $key = is_array($key) ? $key : explode('.', $key);

    foreach ($key as $i => $segment) {
        unset($key[$i]);

        if (is_null($segment)) {
            return $target;
        }

        if ($segment === '*') {
            if ($target instanceof Collection) {
                $target = $target->all();
            } elseif (! is_array($target)) {
                return value($default);
            }

            $result = [];

            foreach ($target as $item) {
                $result[] = data_get($item, $key);
            }

            return in_array('*', $key) ? Arr::collapse($result) : $result;
        }

        if (Arr::accessible($target) && Arr::exists($target, $segment)) {
            $target = $target[$segment];
        } elseif (is_object($target) && isset($target->{$segment})) {
            $target = $target->{$segment};
        } else {
            return value($default);
        }
    }

    return $target;
}