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<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><initializer>0</initializer></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 resource 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 &false; if an error occurred.
  </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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