EventConfig::requireFeatures

(PECL event >= 1.2.6-beta)
Enters a required event method feature that the application demands
public bool EventConfig::requireFeatures ( int $feature )

Enters a required event method feature that the application demands

Parameters:
feature

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

Returns:
Examples:
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");
}
?>

The above example will output something similar to:

FDS feature is now requried
FDS - arbitrary file descriptor types, and not just sockets
See also:

EventBase::getFeatures() -

doc_php
2016-02-24 16:08:23
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