<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >stream_socket_sendto</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Stream Functions" HREF="ref.stream.html"><LINK REL="PREVIOUS" TITLE="stream_socket_recvfrom" HREF="function.stream-socket-recvfrom.html"><LINK REL="NEXT" TITLE="stream_socket_server" HREF="function.stream-socket-server.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.stream-socket-recvfrom.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.stream-socket-server.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.stream-socket-sendto" ></A >stream_socket_sendto</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN224001" ></A ><P > (PHP 5)</P >stream_socket_sendto -- Sends a message to a socket, whether it is connected or not </DIV ><DIV CLASS="refsect1" ><A NAME="AEN224004" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >stream_socket_sendto</B > ( resource socket, string data [, int flags [, string address]] )<BR ></BR ><P > The function <B CLASS="function" >stream_socket_sendto()</B > sends the data specified by <CODE CLASS="parameter" >data</CODE > through the socket specified by <CODE CLASS="parameter" >socket</CODE >. The address specified when the socket stream was created will be used unless an alternate address is specified in <CODE CLASS="parameter" >address</CODE >. </P ><P > The value of <CODE CLASS="parameter" >flags</CODE > can be any combination of the following: <DIV CLASS="table" ><A NAME="AEN224028" ></A ><P ><B >表 1. possible values for <CODE CLASS="parameter" >flags</CODE ></B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><TBODY ><TR ><TD ><TT CLASS="constant" ><B >STREAM_OOB</B ></TT ></TD ><TD > Process OOB (out-of-band) data. </TD ></TR ></TBODY ></TABLE ></DIV > </P ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN224037" ></A ><P ><B >例 1. <B CLASS="function" >stream_socket_sendto()</B > Example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Open a socket to port 1234 on localhost */<br /></font><font color="#0000BB">$socket </font><font color="#007700">= </font><font color="#0000BB">stream_socket_client</font><font color="#007700">(</font><font color="#DD0000">'tcp://127.0.0.1:1234'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Send ordinary data via ordinary channels. */<br /></font><font color="#0000BB">fwrite</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#DD0000">"Normal data transmit."</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Send more data out of band. */<br /></font><font color="#0000BB">stream_socket_sendto</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#DD0000">"Out of Band data."</font><font color="#007700">, </font><font color="#0000BB">STREAM_OOB</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Close it up */<br /></font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P > See also <A HREF="function.stream-socket-recvfrom.html" ><B CLASS="function" >stream_socket_recvfrom()</B ></A >, <A HREF="function.stream-socket-client.html" ><B CLASS="function" >stream_socket_client()</B ></A >, and <A HREF="function.stream-socket-server.html" ><B CLASS="function" >stream_socket_server()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.stream-socket-recvfrom.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.stream-socket-server.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >stream_socket_recvfrom</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.stream.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >stream_socket_server</TD ></TR ></TABLE ></DIV ></BODY ></HTML >