DivineNii\Invoker\CallableReflection

Complexity

Total Complexity

11

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
B	create()	0	26	11

<?php

declare(strict_types=1);

/*
 * This file is part of PHP Invoker.
 *
 * PHP version 7.1 and above required
 *
 * @author    Divine Niiquaye Ibok <divineibok@gmail.com>
 * @copyright 2019 Biurad Group (https://biurad.com/)
 * @license   https://opensource.org/licenses/BSD-3-Clause License
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace DivineNii\Invoker;

use DivineNii\Invoker\Exceptions\NotCallableException;

/**
 * Create a reflection object from a callable.
 *
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 * @author Divine Niiquaye Ibok <divineibok@gmail.com>
 */
class CallableReflection
{
    /**
     * @param callable|mixed[]|object|string $callable
     *
     * @throws NotCallableException
     *
     * @return \ReflectionFunctionAbstract
     */
    public static function create($callable): \ReflectionFunctionAbstract
    {
        // Standard function and closure
        if ($callable instanceof \Closure || (\is_string($callable) && \function_exists($callable))) {
            return new \ReflectionFunction($callable);
        }

        if (is_object($callable) && method_exists($callable, '__invoke')) {
            $callable = [$callable, '__invoke'];
        } elseif (\is_string($callable) && \strpos($callable, '::') !== false) {
            $callable = \explode('::', $callable, 2);
        }

        if (!\is_callable($callable)) {
            throw new NotCallableException(\sprintf(
                '%s is not a callable',
                \is_object($callable) ? 'Instance of ' . \get_class($callable) : var_export($callable, true)
            ));
        }

        list($class, $method) = $callable;

        try {
            return new \ReflectionMethod($class, $method);
        } catch (\ReflectionException $e) {
            throw NotCallableException::fromInvalidCallable($callable);
        }
    }
}