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<title>Returns the values most recently detected by Ev</title>
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<div class="refnamediv">
<h1 class="refname">EvStat::attr</h1>
<p class="verinfo">(PECL ev >= 0.2.0)</p><p class="refpurpose"><span class="refname">EvStat::attr</span> — <span class="dc-title">Returns the values most recently detected by Ev</span></p>
</div>
<div class="refsect1 description" id="refsect1-evstat.attr-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">array</span>
<span class="methodname"><strong>EvStat::attr</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Returns array of the values most recently detected by Ev
</p>
</div>
<div class="refsect1 parameters" id="refsect1-evstat.attr-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-evstat.attr-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns array with the values most recently detect by Ev(without actual
<em>stat</em>
'ing):
<table class="doctable table">
<caption><strong>
List for item keys of the array returned by <span class="methodname"><strong>EvStat::attr()</strong></span>
</strong></caption>
<thead>
<tr>
<th>Key</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>
<strong><code>'dev'</code></strong>
</td>
<td>ID of device containing file</td>
</tr>
<tr>
<td>
<strong><code>'ino'</code></strong>
</td>
<td>inode number</td>
</tr>
<tr>
<td>
<strong><code>'mode'</code></strong>
</td>
<td>protection</td>
</tr>
<tr>
<td>
<strong><code>'nlink'</code></strong>
</td>
<td>number of hard links</td>
</tr>
<tr>
<td>
<strong><code>'uid'</code></strong>
</td>
<td>user ID of owner</td>
</tr>
<tr>
<td>
<strong><code>'size'</code></strong>
</td>
<td>total size, in bytes</td>
</tr>
<tr>
<td>
<strong><code>'gid'</code></strong>
</td>
<td>group ID of owner</td>
</tr>
<tr>
<td>
<strong><code>'rdev'</code></strong>
</td>
<td>device ID (if special file)</td>
</tr>
<tr>
<td>
<strong><code>'blksize'</code></strong>
</td>
<td>blocksize for file system I/O</td>
</tr>
<tr>
<td>
<strong><code>'blocks'</code></strong>
</td>
<td>number of 512B blocks allocated</td>
</tr>
<tr>
<td>
<strong><code>'atime'</code></strong>
</td>
<td>time of last access</td>
</tr>
<tr>
<td>
<strong><code>'ctime'</code></strong>
</td>
<td>time of last status change</td>
</tr>
<tr>
<td>
<strong><code>'mtime'</code></strong>
</td>
<td>time of last modification</td>
</tr>
</tbody>
</table>
</p>
<p class="para">
See
<em>stat(2)</em>
man page for details.
</p>
</div>
<div class="refsect1 examples" id="refsect1-evstat.attr-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-3631">
<p><strong>Example #1 Monitor changes of /var/log/messages</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">// Use 10 second update interval.<br /></span><span style="color: #0000BB">$w </span><span style="color: #007700">= new </span><span style="color: #0000BB">EvStat</span><span style="color: #007700">(</span><span style="color: #DD0000">"/var/log/messages"</span><span style="color: #007700">, </span><span style="color: #0000BB">8</span><span style="color: #007700">, function (</span><span style="color: #0000BB">$w</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"/var/log/messages changed\n"</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$attr </span><span style="color: #007700">= </span><span style="color: #0000BB">$w</span><span style="color: #007700">-></span><span style="color: #0000BB">attr</span><span style="color: #007700">();<br /><br /> if (</span><span style="color: #0000BB">$attr</span><span style="color: #007700">[</span><span style="color: #DD0000">'nlink'</span><span style="color: #007700">]) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Current size: %ld\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$attr</span><span style="color: #007700">[</span><span style="color: #DD0000">'size'</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Current atime: %ld\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$attr</span><span style="color: #007700">[</span><span style="color: #DD0000">'atime'</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Current mtime: %ld\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$attr</span><span style="color: #007700">[</span><span style="color: #DD0000">'mtime'</span><span style="color: #007700">]);<br /> } else {<br /> </span><span style="color: #0000BB">fprintf</span><span style="color: #007700">(</span><span style="color: #0000BB">STDERR</span><span style="color: #007700">, </span><span style="color: #DD0000">"`messages` file is not there!"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$w</span><span style="color: #007700">-></span><span style="color: #0000BB">stop</span><span style="color: #007700">();<br /> }<br />});<br /><br /></span><span style="color: #0000BB">Ev</span><span style="color: #007700">::</span><span style="color: #0000BB">run</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-evstat.attr-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">
<span class="methodname"><a href="evstat.prev.html" class="methodname" rel="rdfs-seeAlso">EvStat::prev()</a> - Returns the previous set of values returned by EvStat::attr</span>
</li>
<li class="member">
<span class="methodname"><a href="evstat.stat.html" class="methodname" rel="rdfs-seeAlso">EvStat::stat()</a> - Initiates the stat call</span>
</li>
</ul>
</div>
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