vendor/league/flysystem/src/MountManager.php

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<?php

namespace League\Flysystem;

use InvalidArgumentException;
use League\Flysystem\Plugin\PluggableTrait;
use League\Flysystem\Plugin\PluginNotFoundException;

/**
 * Class MountManager.
 *
 * Proxies methods to Filesystem (@see __call):
 *
 * @method AdapterInterface getAdapter($prefix)
 * @method Config getConfig($prefix)
 * @method array listFiles($directory = '', $recursive = false)
 * @method array listPaths($directory = '', $recursive = false)
 * @method array getWithMetadata($path, array $metadata)
 * @method Filesystem flushCache()
 * @method void assertPresent($path)
 * @method void assertAbsent($path)
 * @method Filesystem addPlugin(PluginInterface $plugin)
 */
class MountManager implements FilesystemInterface
{
    use PluggableTrait;

    /**
     * @var FilesystemInterface[]
     */
    protected $filesystems = [];

    /**
     * Constructor.
     *
     * @param FilesystemInterface[] $filesystems [:prefix => Filesystem,]
     *
     * @throws InvalidArgumentException
     */
    public function __construct(array $filesystems = [])
    {
        $this->mountFilesystems($filesystems);
    }

    /**
     * Mount filesystems.
     *
     * @param FilesystemInterface[] $filesystems [:prefix => Filesystem,]
     *
     * @throws InvalidArgumentException
     *
     * @return $this
     */
    public function mountFilesystems(array $filesystems)
    {
        foreach ($filesystems as $prefix => $filesystem) {
            $this->mountFilesystem($prefix, $filesystem);
        }

        return $this;