- opendir: documentation ( source)
- explode: documentation ( source)
- closedir: documentation ( source)
- session_start: documentation ( source)
- header: documentation ( source)
- define: documentation ( source)
- fclose: documentation ( source)
- fwrite: documentation ( source)
- fread: documentation ( source)
- fopen: documentation ( source)
- readdir: documentation ( source)
- filesize: documentation ( source)
- is_dir: documentation ( source)