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><H1
><A
NAME="function.socket-bind"
></A
>socket_bind</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN212706"
></A
><P
>    (PHP 4 &#62;= 4.1.0, PHP 5)</P
>socket_bind&nbsp;--&nbsp;Binds a name to a socket</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212709"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>socket_bind</B
> ( resource socket, string address [, int port] )<BR
></BR
><P
>&#13;   Binds the name given in <CODE
CLASS="parameter"
>address</CODE
> to the socket
   described by <CODE
CLASS="parameter"
>socket</CODE
>. This has to be done before
   a connection can be established using <A
HREF="function.socket-connect.html"
><B
CLASS="function"
>socket_connect()</B
></A
>
   or <A
HREF="function.socket-listen.html"
><B
CLASS="function"
>socket_listen()</B
></A
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212728"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>socket</CODE
></DT
><DD
><P
>&#13;       A valid socket resource created with <A
HREF="function.socket-create.html"
><B
CLASS="function"
>socket_create()</B
></A
>.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>address</CODE
></DT
><DD
><P
>&#13;       If the socket is of the <TT
CLASS="constant"
><B
>AF_INET</B
></TT
> family, the
       <CODE
CLASS="parameter"
>address</CODE
> is an IP in dotted-quad notation
       (e.g. <TT
CLASS="literal"
>127.0.0.1</TT
>).
      </P
><P
>&#13;       If the socket is of the <TT
CLASS="constant"
><B
>AF_UNIX</B
></TT
> family, the
       <CODE
CLASS="parameter"
>address</CODE
> is the path of a
       Unix-domain socket (e.g. <TT
CLASS="filename"
>/tmp/my.sock</TT
>).
      </P
></DD
><DT
><CODE
CLASS="parameter"
>port</CODE
> (Optional)</DT
><DD
><P
>&#13;       The <CODE
CLASS="parameter"
>port</CODE
> parameter is only used when
       connecting to an <TT
CLASS="constant"
><B
>AF_INET</B
></TT
> socket, and
       designates the port on the remote host to which a connection
       should be made.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212757"
></A
><H2
>返回值</H2
><P
>如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。</P
><P
>&#13;   The error code can be retrieved with <A
HREF="function.socket-last-error.html"
><B
CLASS="function"
>socket_last_error()</B
></A
>.
   This code may be passed to <A
HREF="function.socket-strerror.html"
><B
CLASS="function"
>socket_strerror()</B
></A
> to get a
   textual explanation of the error.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212765"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
WIDTH="100%"
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CELLPADDING="0"
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN212768"
></A
><P
><B
>例 1. Using <B
CLASS="function"
>socket_bind()</B
> to set the source address</B
></P
><TABLE
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CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// Create a new socket<br /></font><font color="#0000BB">$sock </font><font color="#007700">= </font><font color="#0000BB">socket_create</font><font color="#007700">(</font><font color="#0000BB">AF_INET</font><font color="#007700">, </font><font color="#0000BB">SOCK_STREAM</font><font color="#007700">, </font><font color="#0000BB">SOL_TCP</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// An example list of IP addresses owned by the computer<br /></font><font color="#0000BB">$sourceips</font><font color="#007700">[</font><font color="#DD0000">'kevin'</font><font color="#007700">]&nbsp;&nbsp;&nbsp;&nbsp;= </font><font color="#DD0000">'127.0.0.1'</font><font color="#007700">;<br /></font><font color="#0000BB">$sourceips</font><font color="#007700">[</font><font color="#DD0000">'madcoder'</font><font color="#007700">] = </font><font color="#DD0000">'127.0.0.2'</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Bind the source address<br /></font><font color="#0000BB">socket_bind</font><font color="#007700">(</font><font color="#0000BB">$sock</font><font color="#007700">, </font><font color="#0000BB">$sourceips</font><font color="#007700">[</font><font color="#DD0000">'madcoder'</font><font color="#007700">]);<br /><br /></font><font color="#FF8000">// Connect to destination address<br /></font><font color="#0000BB">socket_connect</font><font color="#007700">(</font><font color="#0000BB">$sock</font><font color="#007700">, </font><font color="#DD0000">'127.0.0.1'</font><font color="#007700">, </font><font color="#0000BB">80</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Write<br /></font><font color="#0000BB">$request </font><font color="#007700">= </font><font color="#DD0000">'GET / HTTP/1.1' </font><font color="#007700">. </font><font color="#DD0000">"\r\n" </font><font color="#007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#DD0000">'Host: example.com' </font><font color="#007700">. </font><font color="#DD0000">"\r\n\r\n"</font><font color="#007700">;<br /></font><font color="#0000BB">socket_write</font><font color="#007700">(</font><font color="#0000BB">$sock</font><font color="#007700">, </font><font color="#0000BB">$request</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Close<br /></font><font color="#0000BB">socket_close</font><font color="#007700">(</font><font color="#0000BB">$sock</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212772"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    This function must be used on the socket before
    <A
HREF="function.socket-connect.html"
><B
CLASS="function"
>socket_connect()</B
></A
>.
   </P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    Windows 9x/ME compatibility note:
    <A
HREF="function.socket-last-error.html"
><B
CLASS="function"
>socket_last_error()</B
></A
> may return an invalid error code
    if trying to bind the socket to a wrong address that does not belong to
    your machine.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN212780"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.socket-connect.html"
><B
CLASS="function"
>socket_connect()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.socket-listen.html"
><B
CLASS="function"
>socket_listen()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.socket-create.html"
><B
CLASS="function"
>socket_create()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.socket-last-error.html"
><B
CLASS="function"
>socket_last_error()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.socket-strerror.html"
><B
CLASS="function"
>socket_strerror()</B
></A
></TD
></TR
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></P
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