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<title>Gets the current resource usages</title>
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</div><hr /><div id="function.getrusage" class="refentry">
<div class="refnamediv">
<h1 class="refname">getrusage</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">getrusage</span> — <span class="dc-title">Gets the current resource usages</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.getrusage-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>getrusage</strong></span>
([ <span class="methodparam"><span class="type">int</span> <code class="parameter">$who</code><span class="initializer"> = 0</span></span>
] )</div>
<p class="para rdfs-comment">
This is an interface to <strong class="command">getrusage(2)</strong>. It gets data returned
from the system call.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.getrusage-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">who</code></em></span>
<dd>
<p class="para">
If <em><code class="parameter">who</code></em> is 1, getrusage will be called with
<strong><code>RUSAGE_CHILDREN</code></strong>.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.getrusage-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an associative array containing the data returned from the system
call. All entries are accessible by using their documented field names.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.getrusage-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-498">
<p><strong>Example #1 <span class="function"><strong>getrusage()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$dat </span><span style="color: #007700">= </span><span style="color: #0000BB">getrusage</span><span style="color: #007700">();<br />echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_nswap"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// number of swaps<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_majflt"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// number of page faults<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_utime.tv_sec"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// user time used (seconds)<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_utime.tv_usec"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// user time used (microseconds)<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.getrusage-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">This function is not
implemented on Windows platforms.</span></p></blockquote>
</div>
<div class="refsect1 seealso" id="refsect1-function.getrusage-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member">Your system's man page on <strong class="command">getrusage(2)</strong></li>
</ul>
</p>
</div>
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