chdir chgrp chmod chown chroot clearstatcache closedirj copy delete dir disk_free_space disk_total_space diskfreespace fclose feof fflush fgetc fgetcsv fgets fgetss file file_get_contents (for local files use "include") file_put_contents fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype flock fnmatch fopen fpassthru fputcsv fputs fread fscanf fseek fstat ftell ftruncate fwrite getcwd glob is_dir is_executable is_file is_link is_readable is_writable is_writeable lchgrp lchown link linkinfo lstat mkdir move_uploaded_file opendir parse_ini_file parse_ini_string pathinfo pclose popen readdir readfile readlink realpath realpath_cache_get realpath_cache_size rename rewind rewinddir rmdir scandir set_file_buffer stat symlink tempnam tmpfile touch umask unlink