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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.maxdb-thread-id">
 <refnamediv>
  <refname>maxdb_thread_id</refname>
  <refname>maxdb->thread_id</refname>
  <refpurpose>Returns the thread ID for the current connection</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>Procedural style:</para>
  <methodsynopsis>
   <type>int</type><methodname>maxdb_thread_id</methodname>
   <methodparam><type>resource</type><parameter>link</parameter></methodparam>
  </methodsynopsis>
  <para>Object oriented style (property):</para>
  <classsynopsis>
   <ooclass><classname>maxdb</classname></ooclass>
   <fieldsynopsis><type>int</type><varname>thread_id</varname></fieldsynopsis>
  </classsynopsis>
  <para>
   The <function>maxdb_thread_id</function> function returns the thread
   ID for the current connection which can then be killed using the
   <function>maxdb_kill</function> function. If the connection is lost
   and you reconnect with <function>maxdb_ping</function>, the thread ID
   will be other. Therefore you should get the thread ID only when you need it.
  </para>
  <note>
   <para>
    The thread ID is assigned on a connection-by-connection basis. Hence,
    if the connection is broken and then re-established a new thread ID
    will be assigned.
   </para>
  </note>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <function>maxdb_thread_id</function> returns the Thread ID for the current connection.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>Object oriented style</title>
   <programlisting role="php">
<![CDATA[
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

/* determine our thread id */
$thread_id = $maxdb->thread_id;

/* Kill connection */
$maxdb->kill($thread_id);

/* This should produce an error */
if (!$maxdb->query("CREATE TABLE mycity LIKE hotel.city")) {
   printf("Error: %s\n", $maxdb->error);
   exit;
}

/* close connection */
$maxdb->close();
?>
]]>
   </programlisting>
  </example>
  <example>
   <title>Procedural style</title>
   <programlisting role="php">
<![CDATA[
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

/* determine our thread id */
$thread_id = maxdb_thread_id($link);

/* Kill connection */
maxdb_kill($link, $thread_id);

/* This should produce an error */
if (!maxdb_query($link, "CREATE TABLE mycity LIKE hotel.city")) {
   printf("Error: %s\n", maxdb_error($link));
   exit;
}

/* close connection */
maxdb_close($link);
?>
]]>
   </programlisting>
  </example>
  &example.outputs.similar;
  <screen>
<![CDATA[
Warning: maxdb_query(): -10821 Session not connected <...>
Error: Session not connected
]]>
  </screen>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>maxdb_kill</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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