The Judy class

Einführung

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 :

Beispiel #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);
?>

Judy implements ArrayAccess , Iterator {

/* Constants */

const integer Judy::BITSET = 1 ;

const integer Judy::INT_TO_INT = 2 ;

const integer Judy::INT_TO_MIXED = 3 ;

const integer Judy::STRING_TO_INT = 4 ;

const integer Judy::STRING_TO_MIXED = 5 ;

/* Methoden */

public void byCount ( integer $nth_index )

public Judy __construct ( integer $judy_type )

public void count ([ string $index_start [, string $index_end ]] )

public void __destruct ( void )

public mixed first ( mixed $index )

public mixed firstEmpty ( mixed $index )

public void free ( void )

public integer getType ( void )

public void last ( string $index )

public mixed lastEmpty ( mixed $index )

public integer memoryUsage ( void )

public mixed next ( mixed $index )

public mixed nextEmpty ( mixed $index )

public bool offsetExists ( mixed $offset )

public mixed offsetGet ( mixed $offset )

public void offsetSet ( mixed $offset , mixed $value )

public void offsetUnset ( mixed $offset )

public mixed prev ( mixed $index )

public mixed prevEmpty ( mixed $index )

public void size ( void )

}

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.