php-doc-en/reference/ldap/functions/ldap-exop.xml

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<refentry xml:id="function.ldap-exop" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ldap_exop</refname>
  <refpurpose>Performs an extended operation</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>ldap_exop</methodname>
   <methodparam><type>resource</type><parameter>link</parameter></methodparam>
   <methodparam><type>string</type><parameter>reqoid</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>reqdata</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type>array</type><parameter>serverctrls</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter role="reference">retdata</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter role="reference">retoid</parameter></methodparam>
  </methodsynopsis>
  <para>
   Performs an extended operation on the specified <parameter>link</parameter> with
   <parameter>reqoid</parameter> the OID of the operation and
   <parameter>reqdata</parameter> the data.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>link</parameter></term>
    <listitem>
     <para>
       An LDAP link identifier, returned by <function>ldap_connect</function>.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>reqoid</parameter></term>
    <listitem>
     <para>
       The extended operation request OID. You may use one of <constant>LDAP_EXOP_START_TLS</constant>, <constant>LDAP_EXOP_MODIFY_PASSWD</constant>, <constant>LDAP_EXOP_REFRESH</constant>, <constant>LDAP_EXOP_WHO_AM_I</constant>, <constant>LDAP_EXOP_TURN</constant>, or a string with the OID of the operation you want to send.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>reqdata</parameter></term>
    <listitem>
     <para>
       The extended operation request data. May be NULL for some operations like <constant>LDAP_EXOP_WHO_AM_I</constant>, may also need to be BER encoded.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>serverctrls</parameter></term>
    <listitem>
     <para>
      Array of <link linkend="ldap.controls">LDAP Controls</link> to send with the request.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>retdata</parameter></term>
    <listitem>
     <para>
       Will be filled with the extended operation response data if provided.
       If not provided you may use ldap_parse_exop on the result object
       later to get this data.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>retoid</parameter></term>
    <listitem>
     <para>
       Will be filled with the response OID if provided, usually equal to the request OID.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   When used with <parameter>retdata</parameter>, returns &true; on success or &false; on error.
   When used without <parameter>retdata</parameter>, returns a result identifier or &false; on error.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>7.3</entry>
       <entry>
        Support for <parameter>serverctrls</parameter> added
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Whoami extended operation</title>
    <programlisting role="php">
<![CDATA[
<?php
$ds = ldap_connect("localhost");  // assuming the LDAP server is on this host

if ($ds) {
    // bind with appropriate dn to give update access
    $bind = ldap_bind($ds, "cn=root, o=My Company, c=US", "secret");
    if (!$bind) {
      echo "Unable to bind to LDAP server";
      exit;
    }

    // Call WHOAMI EXOP
    $r = ldap_exop($ds, LDAP_EXOP_WHO_AM_I);

    // Parse the result object
    ldap_parse_exop($ds, $r, $retdata);
    // Output: string(31) "dn:cn=root, o=My Company, c=US"
    var_dump($retdata);

    // Same thing using $retdata parameter
    $success = ldap_exop($ds, LDAP_EXOP_WHO_AM_I, NULL, NULL, $retdata, $retoid);
    if ($success) {
      var_dump($retdata);
    }

    ldap_close($ds);
} else {
    echo "Unable to connect to LDAP server";
}
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>ldap_parse_result</function></member>
    <member><function>ldap_parse_exop</function></member>
    <member><function>ldap_exop_whoami</function></member>
    <member><function>ldap_exop_refresh</function></member>
    <member><function>ldap_exop_passwd</function></member>
   </simplelist>
  </para>
 </refsect1>


</refentry>

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