EventConfig::requireFeatures

(PECL event >= 1.2.6-beta)

EventConfig::requireFeaturesEnters 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 requried\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 requried
FDS - arbitrary file descriptor types, and not just sockets

参考

関連キーワード:  EventConfig, feature, required, event, requireFeatures, Enters, demands, features, file, descriptor