Source of: /manual/en/function.apd-set-session-trace.php
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<div id="function.apd-set-session-trace" class="refentry">
<div class="refnamediv">
<h1 class="refname">apd_set_session_trace</h1>
<p class="verinfo">(PECL apd 0.2-0.4)</p><p class="refpurpose"><span class="refname">apd_set_session_trace</span> — <span class="dc-title">Starts the session debugging</span></p>
</div>
<a name="function.apd-set-session-trace.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><b>apd_set_session_trace</b></span>
( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$debug_level</tt></span>
[, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$dump_directory</tt></span>
] )</div>
<p class="para rdfs-comment">
Starts debugging to <var class="filename">apd_dump_{process_id}</var> in the
dump directory.
</p>
</div>
<a name="function.apd-set-session-trace.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">
debug_level</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">An integer which is formed by adding
together the <i>XXX_TRACE</i> constants.</p><p class="para">It is not recommended
to use <b><tt class="constant">MEMORY_TRACE</tt></b>. It is very slow and does not appear to be accurate.
<b><tt class="constant">ASSIGNMENT_TRACE</tt></b> is not implemented yet.</p><p class="para">To turn on all
functional traces (TIMING, FUNCTIONS, ARGS SUMMARY (like strace -c)) use the value 99</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">dump_directory</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The directory in which the profile dump file is written. If not set,
the <i>apd.dumpdir</i> setting from the <var class="filename">php.ini</var> file is used.
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.apd-set-session-trace.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<a name="function.apd-set-session-trace.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 <b>apd_set_session_trace()</b> example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />apd_set_session_trace</span><span style="color: #007700">(</span><span style="color: #0000BB">99</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div><p>
</p>
</div>
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