dio_write
Installing/Configuring
File System Related Extensions
PHP Manual

# Directories

- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Directory Functions
  - chdir — Change directory
  - chroot — Change the root directory
  - dir — Return an instance of the Directory class
  - closedir — Close directory handle
  - getcwd — Gets the current working directory
  - opendir — Open directory handle
  - readdir — Read entry from directory handle
  - rewinddir — Rewind directory handle
  - scandir — List files and directories inside the specified path

dio_write
Installing/Configuring
File System Related Extensions
PHP Manual