geoip_region_by_name
Introduction
Other Basic Extensions
PHP Manual

# JavaScript Object Notation

- Introduction
- Installing/Configuring
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- JSON Functions
  - json_decode — Decodes a JSON string
  - json_encode — Returns the JSON representation of a value

geoip_region_by_name
Introduction
Other Basic Extensions
PHP Manual