PHP 文件系统 | File System 目录 basename chdir chgrp chmod chown chroot clearstatcache closedir copy delete dir Directory (class) Directory::close Directory::read Directory::rewind DirectoryIterator (class) DirectoryIterator::current DirectoryIterator::getATime DirectoryIterator::getBasename DirectoryIterator::getCTime DirectoryIterator::getExtension DirectoryIterator::getFilename DirectoryIterator::getGroup DirectoryIterator::getInode DirectoryIterator::getMTime DirectoryIterator::getOwner DirectoryIterator::getPath DirectoryIterator::getPathname DirectoryIterator::getPerms DirectoryIterator::getSize DirectoryIterator::getType DirectoryIterator::isDir DirectoryIterator::isDot DirectoryIterator::isExecutable DirectoryIterator::isFile DirectoryIterator::isLink DirectoryIterator::isReadable DirectoryIterator::isWritable DirectoryIterator::key DirectoryIterator::next DirectoryIterator::rewind DirectoryIterator::seek DirectoryIterator::valid DirectoryIterator::__construct DirectoryIterator::__toString dirname diskfreespace disk_free_space disk_total_space fclose feof fflush fgetc fgetcsv fgets fgetss file fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype file_exists file_get_contents file_put_contents finfo (class) finfo::buffer finfo::file finfo::set_flags finfo::__construct finfo_buffer finfo_close finfo_file finfo_open finfo_set_flags flock fnmatch fopen fpassthru fputcsv fputs fread fscanf fseek fstat ftell ftruncate fwrite getcwd glob inotify_add_watch inotify_init inotify_queue_len inotify_read inotify_rm_watch is_dir is_executable is_file is_link is_readable is_uploaded_file is_writable is_writeable lchgrp lchown link linkinfo lstat mime_content_type 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 setproctitle setthreadtitle set_file_buffer stat symlink tempnam tmpfile touch umask unlink