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  <title>Get file system statistics</title>

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</div><hr /><div id="function.eio-statvfs" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">eio_statvfs</h1>
  <p class="verinfo">(PECL eio &gt;= 0.0.1dev)</p><p class="refpurpose"><span class="refname">eio_statvfs</span> &mdash; <span class="dc-title">Get file system statistics</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.eio-statvfs-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">resource</span> <span class="methodname"><strong>eio_statvfs</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$pri</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>
  ] )</div>

  <p class="para rdfs-comment">
   <span class="function"><strong>eio_statvfs()</strong></span> returns file system statistics information in
  <em><code class="parameter">result</code></em> argument of <em><code class="parameter">callback</code></em>
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.eio-statvfs-parameters">
  <h3 class="title">Parameters</h3>
  <dl>

   <dt>

    <span class="term"><em><code class="parameter">path</code></em></span>
    <dd>

     <p class="para">
     Pathname of any file within the mounted file system
     </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&nbsp;callback(mixed&nbsp;$data,&nbsp;int&nbsp;$result[,&nbsp;resource&nbsp;$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 returnvalues" id="refsect1-function.eio-statvfs-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   <span class="function"><strong>eio_statvfs()</strong></span> returns request resource on success or
  <strong><code>FALSE</code></strong> on error. On success assigns <em><code class="parameter">result</code></em> argument of
  <em><code class="parameter">callback</code></em> to an array.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.eio-statvfs-examples">
  <h3 class="title">Examples</h3>
  <div class="example" id="example-3608">
   <p><strong>Example #1  <span class="function"><strong>eio_statvfs()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$tmp_filename&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'/tmp/eio-file.tmp'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">touch</span><span style="color: #007700">(</span><span style="color: #0000BB">$tmp_filename</span><span style="color: #007700">);<br /><br />function&nbsp;</span><span style="color: #0000BB">my_statvfs_callback</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$result</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /><br />&nbsp;@</span><span style="color: #0000BB">unlink</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">eio_statvfs</span><span style="color: #007700">(</span><span style="color: #0000BB">$tmp_filename</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">EIO_PRI_DEFAULT</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"my_statvfs_callback"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$tmp_filename</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">eio_event_loop</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

   <div class="example-contents"><p>The above example will output
something similar to:</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
string(17) &quot;/tmp/eio-file.tmp&quot;
array(11) {
  [&quot;f_bsize&quot;]=&gt;
  int(4096)
  [&quot;f_frsize&quot;]=&gt;
  int(4096)
  [&quot;f_blocks&quot;]=&gt;
  int(262144)
  [&quot;f_bfree&quot;]=&gt;
  int(262111)
  [&quot;f_bavail&quot;]=&gt;
  int(262111)
  [&quot;f_files&quot;]=&gt;
  int(1540815)
  [&quot;f_ffree&quot;]=&gt;
  int(1540743)
  [&quot;f_favail&quot;]=&gt;
  int(1540743)
  [&quot;f_fsid&quot;]=&gt;
  int(0)
  [&quot;f_flag&quot;]=&gt;
  int(4102)
  [&quot;f_namemax&quot;]=&gt;
  int(255)
}
</pre></div>
   </div>
  </div>
 </div>



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