Php/docs/eventbase.getfeatures

• PHP Manual
• EventBase
• Returns bitmask of features supported

EventBase::getFeatures

(PECL event >= 1.2.6-beta)

EventBase::getFeatures — Returns bitmask of features supported

说明

public EventBase::getFeatures ( ) : int

Returns bitmask of features supported.

参数

此函数没有参数。

返回值

Returns integer representing a bitmask of supported features. See EventConfig::FEATURE_* constants .

范例

Example #1 EventBase::getFeatures() example

<?php// Avoiding "select" method$cfg = new EventConfig();if ($cfg->avoidMethod("select")) {    echo "`select' method avoided\n";}$base = new EventBase($cfg);echo "Features:\n";$features = $base->getFeatures();($features & EventConfig::FEATURE_ET) and print("ET - edge-triggered IO\n");($features & EventConfig::FEATURE_O1) and print("O1 - O(1) operation for adding/deletting events\n");($features & EventConfig::FEATURE_FDS) and print("FDS - arbitrary file descriptor types, and not just sockets\n");?>

参见

• EventBase::getMethod() - Returns event method in use
• EventConfig