CascadiaPHP 2024

EventBase::getFeatures

(PECL event >= 1.2.6-beta)

EventBase::getFeaturesReturns bitmask of features supported

説明

public EventBase::getFeatures(): int

Returns bitmask of features supported.

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

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

例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/deleting events\n";
(
$features & EventConfig::FEATURE_FDS) and print "FDS - arbitrary file descriptor types, and not just sockets\n";
?>

参考

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top