(バージョン情報なし。おそらく SVN 版にしか存在しないでしょう)
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 :
例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::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.