EventBase
PHP Manual

EventBase::getFeatures

Returns bitmask of features supported

Description

public int EventBase::getFeatures ( void )

Returns bitmask of features supported.

Parameters

This function has no parameters.

Return Values

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

Examples

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");
?>

See Also

  • EventBase::getMethod
  • EventConfig