Sophie: php-manual-ro-0:20051028-1 noarch

php-manual-ro-20051028-1.noarch.rpm

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>stream_socket_recvfrom</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN111982"
></A
><P
>    (PHP 5)</P
>stream_socket_recvfrom&nbsp;--&nbsp;Receives data from a socket, connected or not </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN111985"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>stream_socket_recvfrom</B
> ( resource socket, int length [, int flags [, string &#38;address]])<BR
></BR
><P
>&#13;     The function <B
CLASS="function"
>stream_socket_recvfrom()</B
> accepts
     data from a remote socket up to <VAR
CLASS="parameter"
>length</VAR
> bytes.
     If <VAR
CLASS="parameter"
>address</VAR
> is provided it will be populated with
     the address of the remote socket.
    </P
><P
>&#13;     The value of <VAR
CLASS="parameter"
>flags</VAR
> can be any combination
     of the following:
     <DIV
CLASS="table"
><A
NAME="AEN112008"
></A
><P
><B
>Tabel 1. possible values for <VAR
CLASS="parameter"
>flags</VAR
></B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>STREAM_OOB</B
></TT
></TD
><TD
>&#13;          Process OOB (out-of-band) data.
         </TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>STREAM_PEEK</B
></TT
></TD
><TD
>&#13;          Retrieve data from the socket, but do not consume the buffer.
          Subsequent calls to <A
HREF="function.fread.html"
><B
CLASS="function"
>fread()</B
></A
> or 
          <B
CLASS="function"
>stream_socket_recvfrom()</B
> will see
          the same data.
         </TD
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>
    </P
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><A
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></A
><P
><B
>Exemplu 1. <B
CLASS="function"
>stream_socket_recvfrom()</B
> Example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">/* Open a server socket to port 1234 on localhost */<br /></font><font color="#0000BB">$server </font><font color="#007700">= </font><font color="#0000BB">stream_socket_server</font><font color="#007700">(</font><font color="#DD0000">'tcp://127.0.0.1:1234'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Accept a connection */<br /></font><font color="#0000BB">$socket </font><font color="#007700">= </font><font color="#0000BB">stream_socket_accept</font><font color="#007700">(</font><font color="#0000BB">$server</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Grab a packet (1500 is a typical MTU size) of OOB data */<br /></font><font color="#007700">echo </font><font color="#DD0000">"Received Out-Of-Band: '" </font><font color="#007700">. </font><font color="#0000BB">stream_socket_recvfrom</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#0000BB">1500</font><font color="#007700">, </font><font color="#0000BB">STREAM_OOB</font><font color="#007700">) . </font><font color="#DD0000">"'\n"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">/* Take a peek at the normal in-band data, but don't comsume it. */<br /></font><font color="#007700">echo </font><font color="#DD0000">"Data: '" </font><font color="#007700">. </font><font color="#0000BB">stream_socket_recvfrom</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#0000BB">1500</font><font color="#007700">, </font><font color="#0000BB">STREAM_PEEK</font><font color="#007700">) . </font><font color="#DD0000">"'\n"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">/* Get the exact same packet again, but remove it from the buffer this time. */<br /></font><font color="#007700">echo </font><font color="#DD0000">"Data: '" </font><font color="#007700">. </font><font color="#0000BB">stream_socket_recvfrom</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#0000BB">1500</font><font color="#007700">) . </font><font color="#DD0000">"'\n"</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">$socket</font><font color="#007700">);<br /></font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$server</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>&#13;     See also 
     <A
HREF="function.stream-socket-sendto.html"
><B
CLASS="function"
>stream_socket_sendto()</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
>.
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