The Judy class
Introduction
(PECL judy >= 0.1.1)
The Judy class implements the ArrayAccess interface and the Iterator interface. This class, once instantiated, can be accessed like a PHP array.
A PHP Judy object (or Judy Array) can be one of the following type :
Example #1 Judy array example
<?php $judy = new Judy(Judy::INT_TO_MIXED); $judy[1] = "one"; $judy[2] = array('a', 'b', 'c'); $judy[3] = new Judy(Judy::BITSET); ?>
Class synopsis
public byCount ( int $nth_index ) : int
public __construct ( int $judy_type )
public count ([ int $index_start = 0 [, int $index_end = -1 ]] ) : int
public __destruct ( ) : void
public first ([ mixed $index ] ) : mixed
public firstEmpty ([ mixed $index = 0 ] ) : int
public free ( ) : int
public getType ( ) : int
public last ([ string $index ] ) : void
public lastEmpty ([ int $index = -1 ] ) : int
public memoryUsage ( ) : int
public next ( mixed $index ) : mixed
public nextEmpty ( int $index ) : int
public offsetExists ( mixed $offset ) : bool
public offsetGet ( mixed $offset ) : mixed
public offsetSet ( mixed $offset , mixed $value ) : bool
public offsetUnset ( mixed $offset ) : bool
public prev ( mixed $index ) : mixed
public prevEmpty ( mixed $index ) : int
public size ( ) : void}
Predefined Constants
Judy::BITSET
-
Define the Judy Array as a Bitset with keys as Integer and Values as a Boolean
Judy::INT_TO_INT
-
Define the Judy Array with key/values as Integer, and Integer only.
Judy::INT_TO_MIXED
-
Define the Judy Array with keys as Integer and Values of any type.
Judy::STRING_TO_INT
-
Define the Judy Array with keys as a String and Values as Integer, and Integer only.
Judy::STRING_TO_MIXED
-
Define the Judy Array with keys as a String and Values of any type.
Table of Contents
- 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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/class.judy.php