scandir
Introduction
File System Related Extensions
PHP Manual

# Fileinfo

- Introduction
- Installing/Configuring
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Fileinfo — Fileinfo Functions
  - finfo_buffer — Return information about a string buffer
  - finfo_close — Close fileinfo resource
  - finfo_file — Return information about a file
  - finfo_open — Create a new fileinfo resource
  - finfo_set_flags — Set libmagic configuration options

scandir
Introduction
File System Related Extensions
PHP Manual