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>stream_set_timeout</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN223574"
></A
><P
>    (PHP 4 &#62;= 4.3.0, PHP 5)</P
>stream_set_timeout&nbsp;--&nbsp;Set timeout period on a stream</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN223577"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>stream_set_timeout</B
> ( resource stream, int seconds [, int microseconds] )<BR
></BR
><P
>&#13;     Sets the timeout value on <CODE
CLASS="parameter"
>stream</CODE
>,
     expressed in the sum of <CODE
CLASS="parameter"
>seconds</CODE
> and
     <CODE
CLASS="parameter"
>microseconds</CODE
>. 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;     When the stream times out, the 'timed_out' key of the array returned by
     <A
HREF="function.stream-get-meta-data.html"
><B
CLASS="function"
>stream_get_meta_data()</B
></A
> is set to <TT
CLASS="constant"
><B
>TRUE</B
></TT
>, although no
     error/warning is generated.
    </P
><P
>&#13;     <TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN223601"
></A
><P
><B
>例 1. <B
CLASS="function"
>stream_set_timeout()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$fp </font><font color="#007700">= </font><font color="#0000BB">fsockopen</font><font color="#007700">(</font><font color="#DD0000">"www.example.com"</font><font color="#007700">, </font><font color="#0000BB">80</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$fp</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Unable to open\n"</font><font color="#007700">;<br />} else {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">fwrite</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#DD0000">"GET / HTTP/1.0\r\n\r\n"</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">stream_set_timeout</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">fread</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">2000</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$info </font><font color="#007700">= </font><font color="#0000BB">stream_get_meta_data</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;if (</font><font color="#0000BB">$info</font><font color="#007700">[</font><font color="#DD0000">'timed_out'</font><font color="#007700">]) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'Connection timed out!'</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">$res</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      As of PHP 4.3, this function can (potentially) work on any kind of
      stream.  In PHP 4.3, socket based streams are still the only kind
      supported in the PHP core, although streams from other extensions
      may support this function.
     </P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      This function doesn't work with advanced operations like
      <A
HREF="function.stream-socket-recvfrom.html"
><B
CLASS="function"
>stream_socket_recvfrom()</B
></A
>, use
      <A
HREF="function.stream-select.html"
><B
CLASS="function"
>stream_select()</B
></A
> with timeout parameter instead.
     </P
></BLOCKQUOTE
></DIV
><P
>&#13;     This function was previously called as
     <B
CLASS="function"
>set_socket_timeout()</B
> and later
     <A
HREF="function.socket-set-timeout.html"
><B
CLASS="function"
>socket_set_timeout()</B
></A
> but this usage is deprecated.
    </P
><P
>&#13;     See also
     <A
HREF="function.fsockopen.html"
><B
CLASS="function"
>fsockopen()</B
></A
> and
     <A
HREF="function.fopen.html"
><B
CLASS="function"
>fopen()</B
></A
>.
    </P
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