Flarum\Install\Prerequisite\WritablePaths::check PHP Méthode

    public function check()
    {
        foreach ($this->paths as $path) {
            if (!is_writable($path)) {
                $this->errors[] = ['message' => 'The ' . realpath($path) . ' directory is not writable.', 'detail' => 'Please chmod this directory' . ($path !== public_path() ? ' and its contents' : '') . ' to 0775.'];
            }
        }
    }