json_last_error
Introduction
Other Basic Extensions
PHP Manual

# Judy Arrays

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Judy — The Judy class
  - Judy::byCount — Locate the Nth index present in the Judy array
  - Judy::__construct — Construct a new Judy object
  - Judy::count — Count the number of elements in the Judy array
  - Judy::__destruct — Destruct a Judy object
  - Judy::first — Search for the first index in the Judy array
  - Judy::firstEmpty — Search for the first absent index in the Judy array
  - Judy::free — Free the entire Judy array
  - Judy::getType — Return the type of the current Judy array
  - Judy::last — Search for the last index in the Judy array
  - Judy::lastEmpty — Search for the last absent index in the Judy array
  - Judy::memoryUsage — Return the memory used by the Judy array
  - Judy::next — Search for the next index in the Judy array
  - Judy::nextEmpty — Search for the next absent index in the Judy array
  - Judy::offsetExists — Whether a offset exists
  - Judy::offsetGet — Offset to retrieve
  - Judy::offsetSet — Offset to set
  - Judy::offsetUnset — Offset to unset
  - Judy::prev — Search for the previous index in the Judy array
  - Judy::prevEmpty — Search for the previous absent index in the Judy array
  - Judy::size — Return the size of the current Judy array
- Judy Functions
  - judy_type — Return the type of a Judy array
  - judy_version — Return or print the current PHP Judy version

json_last_error
Introduction
Other Basic Extensions
PHP Manual