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<title>Constructs EvIo watcher object</title>
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<h1 class="refname">EvIo::__construct</h1>
<p class="verinfo">(PECL ev >= 0.2.0)</p><p class="refpurpose"><span class="refname">EvIo::__construct</span> — <span class="dc-title">Constructs EvIo watcher object</span></p>
</div>
<div class="refsect1 description" id="refsect1-evio.construct-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="methodname"><strong>EvIo::__construct</strong></span>
( <span class="methodparam">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span>
<code class="parameter">$fd</code>
</span>
, <span class="methodparam">
<span class="type">int</span>
<code class="parameter">$events</code>
</span>
, <span class="methodparam">
<span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span>
<code class="parameter">$callback</code>
</span>
[, <span class="methodparam">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span>
<code class="parameter">$data</code>
</span>
[, <span class="methodparam">
<span class="type">int</span>
<code class="parameter">$priority</code>
</span>
]] )</div>
<p class="para rdfs-comment">
Constructs EvIo watcher object and starts the watcher automatically.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-evio.construct-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term">
<em><code class="parameter">fd</code></em>
</span>
<dd>
<p class="para">
Can be a stream opened with
<span class="function"><a href="function.fopen.html" class="function">fopen()</a></span>
or similar functions, numeric file descriptor, or socket.
</p>
</dd>
</dt>
<dt>
<span class="term">
<em><code class="parameter">events</code></em>
</span>
<dd>
<p class="para">
<strong><code>Ev::READ</code></strong>
and/or
<strong><code>Ev::WRITE</code></strong>
. See
<a href="class.ev.html#ev.constants.watcher-revents" class="link">the bit masks</a>
.
</p>
</dd>
</dt>
<dt>
<span class="term">
<em><code class="parameter">callback</code></em>
</span>
<dd>
<p class="para">
See
<a href="ev.watcher-callbacks.html" class="link">Watcher callbacks</a>
.
</p>
</dd>
</dt>
<dt>
<span class="term">
<em><code class="parameter">data</code></em>
</span>
<dd>
<p class="para">
Custom data associated with the watcher.
</p>
</dd>
</dt>
<dt>
<span class="term">
<em><code class="parameter">priority</code></em>
</span>
<dd>
<p class="para">
<a href="class.ev.html#ev.constants.watcher-pri" class="link">Watcher priority</a>
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-evio.construct-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns EvIo object on success.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-evio.construct-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">
<span class="methodname"><a href="evio.createstopped.html" class="methodname" rel="rdfs-seeAlso">EvIo::createStopped()</a> - Create stopped EvIo watcher object</span>
</li>
<li class="member">
<span class="methodname"><a href="evloop.io.html" class="methodname" rel="rdfs-seeAlso">EvLoop::io()</a> - Create EvIo watcher object associated with the current event
loop instance</span>
</li>
</ul>
</div>
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