Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>SAMConnection-&#62;subscribe()</H1
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><P
>    (no version information, might be only in CVS)</P
>SAMConnection-&#62;subscribe()&nbsp;--&nbsp;
   Create a subscription to a specified topic.
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><H2
>说明</H2
>class <B
CLASS="classname"
>SAMConnection</B
> { <BR
></BR
>string <B
CLASS="methodname"
>subscribe</B
> ( string targetTopic )<BR
></BR
>}<P
>&#13;   The "subscribe" method is used to create a new subscription to a specified topic.
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></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>targetTopic</CODE
></DT
><DD
><P
>&#13;       The identity of the topic (topic://topicname) to subscribe to.
      </P
></DD
></DL
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>
  </P
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><A
NAME="AEN201093"
></A
><H2
>返回值</H2
><P
>&#13;   A subscription identifier that can be used in a subsequent receive call as
   a selector to obtain any topic data or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if an error occurred. The
   subscription identifier should be used in the receive call in place of the
   simple topic name.
  </P
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><A
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></A
><H2
>范例</H2
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><P
><B
>例 1. Subscribe to a topic</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$subid </font><font color="#007700">= </font><font color="#0000BB">$conn</font><font color="#007700">-&gt;</font><font color="#0000BB">subscribe</font><font color="#007700">(</font><font color="#DD0000">'topic://A'</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$subid</font><font color="#007700">) {<br />&nbsp;&nbsp;</font><font color="#FF8000">// The subscribe failed!<br />&nbsp;&nbsp;</font><font color="#007700">echo </font><font color="#DD0000">"Subscribe failed ($conn</font><font color="#007700">-&gt;</font><font color="#DD0000">errno) $conn</font><font color="#007700">-&gt;</font><font color="#DD0000">error"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN201103"
></A
><H2
>参见</H2
><P
>&#13;   <P
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