php-doc-en/reference/mysql/functions/mysql-thread-id.xml
2002-06-21 12:50:59 +00:00

71 lines
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XML

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/mysql.xml, last change in rev 1.100 -->
<refentry id="function.mysql-thread-id">
<refnamediv>
<refname>mysql_thread_id</refname>
<refpurpose>Return the current thread ID</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>mysql_thread_id</methodname>
<methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter></methodparam>
</methodsynopsis>
<para>
<function>mysql_thread_id</function> returns the current thread ID. If
the connection is lost and you reconnect with
<function>mysql_ping</function>, the thread ID will change. This means
you should not get the thread ID and store it for later. You should get
it when you need it.
</para>
<example>
<title><function>mysql_thread_id</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$thread_id = mysql_thread_id($link);
if ($thread_id){
printf ("current thread id is %d\n", $thread_id);
}
?>
]]>
</programlisting>
<para>
The above example would produce the following output:
<screen>
<![CDATA[
current thread id is 73
]]>
</screen>
</para>
</example>
<para>
See also:
<function>mysql_ping</function>,
<function>mysql_list_processes</function>.
</para>
</refsect1>
</refentry>
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