SplObjectStorage::getInfo

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    SplObjectStorage::getInfo — イテレータの現在のエントリに関連づけられたデータを返す

    説明

    public SplObjectStorage::getInfo(): mixed

    イテレータの現在の位置が指すオブジェクトに関連づけられたデータあるいは情報を返します。

    パラメータ

    この関数にはパラメータはありません。

    戻り値

    イテレータの現在の位置に関連づけられたデータを返します。

    例

    例1 SplObjectStorage::getInfo() の例

    <?php
    $s     = new SplObjectStorage();

    $o1 = new stdClass;
    $o2 = new stdClass;

    $s->attach($o1, "d1");
    $s->attach($o2, "d2");

    $s->rewind();
    while(    $s->valid()) {
    $index = $s->key();
    $object = $s->current(); // current($s) と同等
    $data = $s->getInfo();

    var_dump($object);
    var_dump($data);
    $s->next();
    }
    ?>

    上の例の出力は、 たとえば以下のようになります。

    object(stdClass)#2 (0) {
}
string(2) "d1"
object(stdClass)#3 (0) {
}
string(2) "d2"

    参考

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    User Contributed Notes 1 note

    up
    0
    Ye Wang
    14 years ago
    This method, SplObjectStorage::getInfo() does NOT exist on PHP 5.2.13.

    However, PHP 5.3.2 and above does have it. To find out yourself, use this snippet.

    $> php -r "print_r(get_class_methods(new SplObjectStorage()));"

    Results for PHP 5.2.13
    ====
    Array
    (
    [0] => attach
    [1] => detach
    [2] => contains
    [3] => count
    [4] => rewind
    [5] => valid
    [6] => key
    [7] => current
    [8] => next
    [9] => unserialize
    [10] => serialize
    )

    Results for PHP 5.3.2
    =====
    Array
    (
    [0] => attach
    [1] => detach
    [2] => contains
    [3] => addAll
    [4] => removeAll
    [5] => getInfo
    [6] => setInfo
    [7] => count
    [8] => rewind
    [9] => valid
    [10] => key
    [11] => current
    [12] => next
    [13] => unserialize
    [14] => serialize
    [15] => offsetExists
    [16] => offsetSet
    [17] => offsetUnset
    [18] => offsetGet
    )
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