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    EventConfig::requireFeatures

    (PECL event >= 1.2.6-beta)

    EventConfig::requireFeatures — Enters a required event method feature that the application demands

    説明

    public EventConfig::requireFeatures( int $feature ): bool

    Enters a required event method feature that the application demands

    パラメータ

    feature

    Bitmask of required features. See EventConfig::FEATURE_* constants

    戻り値

    成功した場合に true を、失敗した場合に false を返します。

    例

    例1 EventConfig::requireFeatures() example

    <?php
    $cfg     = new EventConfig();

    // Create event_base associated with the config
    $base = new EventBase($cfg);

    // Require FDS feature
    if ($cfg->requireFeatures(EventConfig::FEATURE_FDS)) {
    echo     "FDS feature is now required\n";

    $base = new EventBase($cfg);
    (    $base->getFeatures() & EventConfig::FEATURE_FDS)
    and print     "FDS - arbitrary file descriptor types, and not just sockets\n";
    }
    ?>

    上の例の出力は、 たとえば以下のようになります。

    FDS feature is now required
FDS - arbitrary file descriptor types, and not just sockets

    参考

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