how to use Files in laravel

File::exists('path');
File::get('path');
File::getRemote('path');
File::getRequire('path');
File::requireOnce('path');
File::put('path', 'contents');
File::append('path', 'data');
File::delete('path');
File::move('path', 'target');
File::copy('path', 'target');
File::extension('path');
File::type('path');
File::size('path');
File::lastModified('path');
File::isDirectory('directory');
File::isWritable('path');
File::isFile('file');
// Find path names matching a given pattern.File::glob($patterns, $flag);
// Get an array of all files in a directory.File::files('directory');
// Get all of the files from the given directory (recursive).File::allFiles('directory');
// Get all of the directories within a given directory.File::directories('directory');
File::makeDirectory('path',  $mode = 0777, $recursive = false);
File::copyDirectory('directory', 'destination', $options = null);
File::deleteDirectory('directory', $preserve = false);
File::cleanDirectory('directory');