Runtime cache for Laravel

helpers.php

<?php

// ...

/**
 * Get / set the specified *runtime* cache value.
 *
 * If an array is passed, we'll assume you want to put to the cache.
 * TLDR: same API as for `cache()`
 *
 * @param  dynamic  key|key,default|null
 * @return mixed|\Illuminate\Cache\CacheManager
 *
 * @throws \Exception
 */
function runtime()
{
    $arguments = func_get_args();

    if (empty($arguments)) {
        return app('cache')->store('array');
    }

    if (is_string($arguments[0])) {
        return app('cache')->store('array')->get(...$arguments);
    }

    if (! is_array($arguments[0])) {
        throw new Exception(
            'When setting a value in the cache, you must pass an array of key / value pairs.'
        );
    }

    // 99999 -- is for TTL. Supposedly, unreachable within one process' life.
    return app('cache')->store('array')->put(key($arguments[0]), reset($arguments[0]), 99999);
}