<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Returns bitmask of features supported</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="eventbase.exit.html">EventBase::exit</a></div>
<div class="next" style="text-align: right; float: right;"><a href="eventbase.getmethod.html">EventBase::getMethod</a></div>
<div class="up"><a href="class.eventbase.html">EventBase</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="eventbase.getfeatures" class="refentry">
<div class="refnamediv">
<h1 class="refname">EventBase::getFeatures</h1>
<p class="verinfo">(PECL event >= 1.2.6-beta)</p><p class="refpurpose"><span class="refname">EventBase::getFeatures</span> — <span class="dc-title">Returns bitmask of features supported</span></p>
</div>
<div class="refsect1 description" id="refsect1-eventbase.getfeatures-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">int</span>
<span class="methodname"><strong>EventBase::getFeatures</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Returns bitmask of features supported.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-eventbase.getfeatures-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-eventbase.getfeatures-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns integer representing a bitmask of supported features. See
<a href="class.eventconfig.html#eventconfig.constants" class="link">EventConfig::FEATURE_* constants</a>
.
</p>
</div>
<div class="refsect1 examples" id="refsect1-eventbase.getfeatures-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-4248">
<p><strong>Example #1
<span class="function"><strong>EventBase::getFeatures()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Avoiding "select" method<br /></span><span style="color: #0000BB">$cfg </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventConfig</span><span style="color: #007700">();<br />if (</span><span style="color: #0000BB">$cfg</span><span style="color: #007700">-></span><span style="color: #0000BB">avoidMethod</span><span style="color: #007700">(</span><span style="color: #DD0000">"select"</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"`select' method avoided\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$base </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventBase</span><span style="color: #007700">(</span><span style="color: #0000BB">$cfg</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"Features:\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$features </span><span style="color: #007700">= </span><span style="color: #0000BB">$base</span><span style="color: #007700">-></span><span style="color: #0000BB">getFeatures</span><span style="color: #007700">();<br />(</span><span style="color: #0000BB">$features </span><span style="color: #007700">& </span><span style="color: #0000BB">EventConfig</span><span style="color: #007700">::</span><span style="color: #0000BB">FEATURE_ET</span><span style="color: #007700">) and print(</span><span style="color: #DD0000">"ET - edge-triggered IO\n"</span><span style="color: #007700">);<br />(</span><span style="color: #0000BB">$features </span><span style="color: #007700">& </span><span style="color: #0000BB">EventConfig</span><span style="color: #007700">::</span><span style="color: #0000BB">FEATURE_O1</span><span style="color: #007700">) and print(</span><span style="color: #DD0000">"O1 - O(1) operation for adding/deletting events\n"</span><span style="color: #007700">);<br />(</span><span style="color: #0000BB">$features </span><span style="color: #007700">& </span><span style="color: #0000BB">EventConfig</span><span style="color: #007700">::</span><span style="color: #0000BB">FEATURE_FDS</span><span style="color: #007700">) and print(</span><span style="color: #DD0000">"FDS - arbitrary file descriptor types, and not just sockets\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-eventbase.getfeatures-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">
<span class="methodname"><a href="eventbase.getmethod.html" class="methodname" rel="rdfs-seeAlso">EventBase::getMethod()</a> - Returns event method in use</span>
</li>
<li class="member">
<a href="class.eventconfig.html" class="classname">EventConfig</a>
</li>
</ul>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="eventbase.exit.html">EventBase::exit</a></div>
<div class="next" style="text-align: right; float: right;"><a href="eventbase.getmethod.html">EventBase::getMethod</a></div>
<div class="up"><a href="class.eventbase.html">EventBase</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
