php-doc-en/reference/xslt/functions/xslt-set-object.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.xslt-set-object" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>xslt_set_object</refname>
  <refpurpose>Sets the object in which to resolve callback functions</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>xslt_set_object</methodname>
   <methodparam><type>resource</type><parameter>processor</parameter></methodparam>
   <methodparam><type>object</type><parameter role="reference">obj</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function allows to use the <parameter>processor</parameter> inside
   an <parameter>object</parameter> and to resolve all callback functions
   in it.
  </para>
  <para>
   The callback functions can be declared with
   <function>xslt_set_sax_handlers</function>,
   <function>xslt_set_scheme_handlers</function> or
   <function>xslt_set_error_handler</function> and are assumed to be methods
   of <parameter>object</parameter>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>processor</parameter></term>
     <listitem>
      <para>
       The XSLT processor link identifier, created with
       <function>xslt_create</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>obj</parameter></term>
     <listitem>
      <para>
       An object.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

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

 
 <refsect1 role="description">
  &reftitle.examples;
  <example>
   <title>Using your own error handler as a method</title>
   <programlisting role="php">
<![CDATA[
<?php

class my_xslt_processor {

    var $_xh; // our XSLT processor

    function my_xslt_processor()
    {
        $this->_xh = xslt_create();

        // Make $this object the callback resolver
        xslt_set_object($this->_xh, $this);

        // Let's handle the errors
        xslt_set_error_handler($this->_xh, "my_xslt_error_handler");
    }

    function my_xslt_error_handler($handler, $errno, $level, $info)
    {
        // for now, let's just see the arguments
        var_dump(func_get_args());
    }
}

?>
]]>
   </programlisting>
  </example>
 </refsect1>

</refentry>

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