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<h1 class="refname">apd_set_pprof_trace</h1>
<p class="verinfo">(PECL apd >= 0.2)</p><p class="refpurpose"><span class="refname">apd_set_pprof_trace</span> — <span class="dc-title">Starts the session debugging</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.apd-set-pprof-trace-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>apd_set_pprof_trace</strong></span>
([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$dump_directory</code><span class="initializer"> = ini_get("apd.dumpdir")</span></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$fragment</code><span class="initializer"> = "pprof"</span></span>
]] )</div>
<p class="para rdfs-comment">
Starts debugging to <var class="filename">pprof_{process_id}</var> in the
dump directory.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.apd-set-pprof-trace-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">dump_directory</code></em></span>
<dd>
<p class="para">
The directory in which the profile dump file is written. If not set,
the <strong class="option unknown">apd.dumpdir</strong>
setting from the <var class="filename">php.ini</var> file is used.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">fragment</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.apd-set-pprof-trace-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns path of the destination file.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.apd-set-pprof-trace-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-429">
<p><strong>Example #1 <span class="function"><strong>apd_set_pprof_trace()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />apd_set_pprof_trace</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.apd-set-pprof-trace-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.apd-set-session-trace.html" class="function" rel="rdfs-seeAlso">apd_set_session_trace()</a> - Starts the session debugging</span></li>
</ul>
</p>
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