My first commit of codes

vendor/league/flysystem/src/FilesystemInterface.php

@@ -0,0 +1,244 @@
+<?php
+
+namespace League\Flysystem;
+
+interface FilesystemInterface
+{
+    /**
+     * Check whether a file exists.
+     *
+     * @param string $path
+     *
+     * @return bool
+     */
+    public function has($path);
+
+    /**
+     * Read a file.
+     *
+     * @param string $path
+     *
+     * @return false|string
+     */
+    public function read($path);
+
+    /**
+     * Read a file as a stream.
+     *
+     * @param string $path
+     *
+     * @return false|resource
+     */
+    public function readStream($path);
+
+    /**
+     * List contents of a directory.
+     *
+     * @param string $directory
+     * @param bool   $recursive
+     *
+     * @return array
+     */
+    public function listContents($directory = '', $recursive = false);
+
+    /**
+     * Get all the meta data of a file or directory.
+     *
+     * @param string $path
+     *
+     * @return false|array
+     */
+    public function getMetadata($path);
+
+    /**
+     * Get all the meta data of a file or directory.
+     *
+     * @param string $path
+     *
+     * @return false|int
+     */
+    public function getSize($path);
+
+    /**
+     * Get the mime-type of a file.
+     *
+     * @param string $path
+     *
+     * @return false|string
+     */
+    public function getMimetype($path);
+
+    /**
+     * Get the timestamp of a file.
+     *
+     * @param string $path
+     *
+     * @return false|int
+     */
+    public function getTimestamp($path);
+
+    /**
+     * Get the visibility of a file.
+     *
+     * @param string $path
+     *
+     * @return false|string
+     */
+    public function getVisibility($path);
+
+    /**
+     * Write a new file.
+     *
+     * @param string $path
+     * @param string $contents
+     * @param array  $config   Config array
+     *
+     * @return bool success boolean
+     */
+    public function write($path, $contents, array $config = []);
+
+    /**
+     * Write a new file using a stream.
+     *
+     * @param string   $path
+     * @param resource $resource
+     * @param array    $config   config array
+     *
+     * @return bool success boolean
+     */
+    public function writeStream($path, $resource, array $config = []);
+
+    /**
+     * Update a file.
+     *
+     * @param string $path
+     * @param string $contents
+     * @param array  $config   config array
+     *
+     * @return bool success boolean
+     */
+    public function update($path, $contents, array $config = []);
+
+    /**
+     * Update a file using a stream.
+     *
+     * @param string   $path
+     * @param resource $resource
+     * @param array    $config   config array
+     *
+     * @return bool success boolean
+     */
+    public function updateStream($path, $resource, array $config = []);
+
+    /**
+     * Rename a file.
+     *
+     * @param string $path
+     * @param string $newpath
+     *
+     * @return bool
+     */
+    public function rename($path, $newpath);
+
+    /**
+     * Copy a file.
+     *
+     * @param string $path
+     * @param string $newpath
+     *
+     * @return bool
+     */
+    public function copy($path, $newpath);
+
+    /**
+     * Delete a file.
+     *
+     * @param string $path
+     *
+     * @return bool
+     */
+    public function delete($path);
+
+    /**
+     * Delete a directory.
+     *
+     * @param string $dirname
+     *
+     * @return bool
+     */
+    public function deleteDir($dirname);
+
+    /**
+     * Create a directory.
+     *
+     * @param string $dirname directory name
+     * @param array  $config
+     *
+     * @return bool
+     */
+    public function createDir($dirname, array $config = []);
+
+    /**
+     * Set the visibility for a file.
+     *
+     * @param string $path
+     * @param string $visibility
+     *
+     * @return bool success boolean
+     */
+    public function setVisibility($path, $visibility);
+
+    /**
+     * Create a file or update if exists.
+     *
+     * @param string $path     path to file
+     * @param string $contents file contents
+     * @param array  $config
+     *
+     * @throws FileExistsException
+     *
+     * @return bool success boolean
+     */
+    public function put($path, $contents, array $config = []);
+
+    /**
+     * Create a file or update if exists using a stream.
+     *
+     * @param string   $path
+     * @param resource $resource
+     * @param array    $config
+     *
+     * @return bool success boolean
+     */
+    public function putStream($path, $resource, array $config = []);
+
+    /**
+     * Read and delete a file.
+     *
+     * @param string $path
+     *
+     * @throws FileNotFoundException
+     *
+     * @return string|false file contents
+     */
+    public function readAndDelete($path);
+
+    /**
+     * Get a file/directory handler.
+     *
+     * @param string  $path
+     * @param Handler $handler
+     *
+     * @return Handler file or directory handler
+     */
+    public function get($path, Handler $handler = null);
+
+    /**
+     * Register a plugin.
+     *
+     * @param PluginInterface $plugin
+     *
+     * @return $this
+     */
+    public function addPlugin(PluginInterface $plugin);
+}