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<title>Change file ownership</title>
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<h1 class="refname">eio_fchown</h1>
<p class="verinfo">(PECL eio >= 0.0.1dev)</p><p class="refpurpose"><span class="refname">eio_fchown</span> — <span class="dc-title">Change file ownership</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.eio-fchown-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>eio_fchown</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">$fd</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$uid</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$gid</code><span class="initializer"> = -1</span></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$pri</code><span class="initializer"> = EIO_PRI_DEFAULT</span></span>
[, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$callback</code><span class="initializer"> = NULL</span></span>
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$data</code><span class="initializer"> = NULL</span></span>
]]]] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>eio_fchown()</strong></span> changes ownership of the file specified by
<em><code class="parameter">fd</code></em> file descriptor.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.eio-fchown-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term"><em><code class="parameter">fd</code></em></span>
<dd>
<p class="para">
Stream, Socket resource, or numeric file descriptor.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">uid</code></em></span>
<dd>
<p class="para">
User ID. Is ignored when equal to -1.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">gid</code></em></span>
<dd>
<p class="para">
Group ID. Is ignored when equal to -1.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">pri</code></em></span>
<dd>
<p class="para">The request priority: <strong><code>EIO_PRI_DEFAULT</code></strong>, <strong><code>EIO_PRI_MIN</code></strong>, <strong><code>EIO_PRI_MAX</code></strong>, or <strong><code>NULL</code></strong>.
If <strong><code>NULL</code></strong> passed, <em><code class="parameter">pri</code></em> internally is set to
<strong><code>EIO_PRI_DEFAULT</code></strong>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">callback</code></em></span>
<dd>
<p class="para">
<em><code class="parameter">callback</code></em> function is called when the request is done.
It should match the following prototype: <div class="example-contents"><div class="phpcode"><code><span style="color: #000000">
void callback(mixed $data, int $result[, resource $req]);</span>
</code></div></div>
<dl>
<dt>
<span class="term"><em><code class="parameter">data</code></em></span>
<dd>
<p class="para">is custom data passed to the request.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">result</code></em></span>
<dd>
<p class="para">request-specific result value; basically, the value returned by corresponding
system call.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">req</code></em></span>
<dd>
<p class="para">is optional request resource which can be used with functions like <span class="function"><a href="function.eio-get-last-error.html" class="function">eio_get_last_error()</a></span></p></dd>
</dt>
</dl>
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">data</code></em></span>
<dd>
<p class="para">
Arbitrary variable passed to <em><code class="parameter">callback</code></em>.
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 seealso" id="refsect1-function.eio-fchown-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">eio_fchmod</li>
</ul>
</div>
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