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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/hw.xml, last change in rev 1.2 -->
<refentry id="function.hw-getremotechildren">
<refnamediv>
<refname>hw_getremotechildren</refname>
<refpurpose>Gets children of remote document</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>hw_getremotechildren</methodname>
<methodparam><type>int</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>object_record</parameter></methodparam>
</methodsynopsis>
<para>
Returns the children of a remote document. Children of a remote
document are remote documents itself.
This makes sense
if a database query has to be narrowed and is explained in
Hyperwave Programmers' Guide. If the number of children is 1 the
function will return the document itself formatted by the Hyperwave
Gateway Interface (HGI). If the number of children
is greater than 1 it will return an array of object record with
each maybe the input value for another call to
<function>hw_getremotechildren</function>. Those object records are
virtual and do not exist in the Hyperwave server, therefore they
do not have a valid object ID. How exactly such an object record
looks like is up to the HGI.
If you want to use this function you should be very familiar with HGIs.
You should also consider to use PHP instead of Hyperwave to access
external
sources. Adding database support by a Hyperwave gateway should be more
difficult than doing it in PHP.
</para>
<para>
See also <function>hw_getremote</function>.
</para>
</refsect1>
</refentry>
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