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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.11 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.socket-sendto">
<refnamediv>
<refname>socket_sendto</refname>
<refpurpose>Sends a message to a socket, whether it is connected or not </refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>socket_sendto</methodname>
<methodparam><type>resource</type><parameter>socket</parameter></methodparam>
<methodparam><type>string</type><parameter>buf</parameter></methodparam>
<methodparam><type>int</type><parameter>len</parameter></methodparam>
<methodparam><type>int</type><parameter>flags</parameter></methodparam>
<methodparam><type>string</type><parameter>addr</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>port</parameter></methodparam>
</methodsynopsis>
<para>
The function <function>socket_sendto</function> sends
<parameter>len</parameter> bytes from <parameter>buf</parameter>
through the socket <parameter>socket</parameter> to the
<parameter>port</parameter> at the address <parameter>addr</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>socket</parameter></term>
<listitem>
<para>
A valid socket ressource created using <function>socket_create</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>buf</parameter></term>
<listitem>
<para>
The sent data will be taken from buffer <parameter>buf</parameter>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>len</parameter></term>
<listitem>
<para>
<parameter>len</parameter> bytes from <parameter>buf</parameter> will be
sent.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
The value of <parameter>flags</parameter> can be any combination of
the following flags, joined with the binary OR (<literal>|</literal>)
operator.
<table>
<title>Possible values for <parameter>flags</parameter></title>
<tgroup cols="2">
<tbody>
<row>
<entry><constant>MSG_OOB</constant></entry>
<entry>
Send OOB (out-of-band) data.
</entry>
</row>
<row>
<entry><constant>MSG_EOR</constant></entry>
<entry>
Indicate a record mark. The sent data completes the record.
</entry>
</row>
<row>
<entry><constant>MSG_EOF</constant></entry>
<entry>
Close the sender side of the socket and include an appropriate
notification of this at the end of the sent data. The sent data
completes the transaction.
</entry>
</row>
<row>
<entry><constant>MSG_DONTROUTE</constant></entry>
<entry>
Bypass routing, use direct interface.
</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>addr</parameter></term>
<listitem>
<para>
IP address of the remote host.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>port</parameter></term>
<listitem>
<para>
<parameter>port</parameter> is the remote port number at which the data
will be sent.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
<function>socket_sendto</function> returns the number of bytes sent to the
remote host or -1 if an error occured.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>socket_sendto</function> Example</title>
<programlisting role="php">
<![CDATA[
<?php
$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
$msg = "Ping !";
$len = strlen($msg);
socket_sendto($sock, $msg, $len, 0, '127.0.0.1', 1223);
socket_close($sock);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>socket_send</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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