EventConfig::requireFeatures
(PECL event >= 1.2.6-beta)
EventConfig::requireFeatures — Enters a required event method feature that the application demands
Description
public EventConfig::requireFeatures( int $feature ): bool
Enters a required event method feature that the application demands
Parameters
-
feature
-
Bitmask of required features. See
EventConfig::FEATURE_*
constants
Return Values
Returns true
on success or false
on failure.
Examples
Example #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"); } ?>
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() - Returns bitmask of features supported
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https://www.php.net/manual/en/eventconfig.requirefeatures.php