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    The Judy class

    (PECL judy >= 0.1.1)

    简介

    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);
    ?>

    类摘要

    Judy implements ArrayAccess , Iterator {
    /* Constants */
    const integer BITSET = 1 ;
    const integer INT_TO_INT = 2 ;
    const integer INT_TO_MIXED = 3 ;
    const integer STRING_TO_INT = 4 ;
    const integer STRING_TO_MIXED = 5 ;
    /* 方法 */
    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 ) : void
    public first ([ mixed $index ] ) : mixed
    public firstEmpty ([ mixed $index = 0 ] ) : int
    public free ( void ) : int
    public getType ( void ) : int
    public last ([ string $index ] ) : void
    public lastEmpty ([ int $index = -1 ] ) : int
    public memoryUsage ( void ) : 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 ) : void
    }

    预定义常量

    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.

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