<?php

namespace Middlewares\Utils\CallableResolver;

/**
 * Common logic for callable resolvers.
 */
abstract class Resolver implements CallableResolverInterface
{
    /**
     * Resolves a callable from a string.
     *
     * @param string $callable
     *
     * @return array|string
     */
    protected function resolveString($callable)
    {
        //ClassName/Service::method
        if (strpos($callable, '::') !== false) {
            list($id, $method) = explode('::', $callable, 2);

            return [$id, $method];
        }

        return $callable;
    }
}