php-doc-en/reference/xsl/xsltprocessor/setprofiling.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry xml:id="xsltprocessor.setprofiling" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>XSLTProcessor::setProfiling</refname>
  <refpurpose>Sets profiling output file</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <classsynopsis>
   <ooclass><classname>XSLTProcessor</classname></ooclass>
   <methodsynopsis>
    <type>bool</type><methodname>setProfiling</methodname>
    <methodparam><type>string</type><parameter>filename</parameter></methodparam>
   </methodsynopsis>
  </classsynopsis>
  <para>
   Sets the file to output profiling information when processing 
   a stylesheet.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filename</parameter></term>
     <listitem>
      <para>
       Path to the file to dump profiling information.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Example profiling output</title>
    <programlisting role="php">
<![CDATA[
<?php
// Load the XML source
$xml = new DOMDocument;
$xml->load('collection.xml');

$xsl = new DOMDocument;
$xsl->load('collection.xsl');

// Configure the transformer
$proc = new XSLTProcessor;
$proc->setProfiling('profiling.txt');
$proc->importStyleSheet($xsl); // attach the xsl rules

echo trim($proc->transformToDoc($xml)->firstChild->wholeText);
?>
]]>
    </programlisting>
    <para>
     The above code will produce the following information 
     in the profiling file:
    </para>
    <screen>
<![CDATA[
number               match                name      mode  Calls Tot 100us Avg

    0                   cd                                    2      3      1
    1           collection                                    1      1      1

                         Total                                3      4

]]>
    </screen>
   </example>
  </para>
 </refsect1>

</refentry>

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