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Added info on UDP support and a simple example that connects to the datetime

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@29871 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jesus M. Castagnetto 2000-08-08 08:31:42 +00:00
parent c2411a77f8
commit a1ef6ebcd6
1 changed files with 31 additions and 9 deletions
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40
functions/network.xml
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@ -119,7 +119,9 @@
<funcsynopsis>
<funcprototype>
<funcdef>int <function>fsockopen</function></funcdef>
<paramdef>string <parameter>hostname</parameter></paramdef>
<paramdef>
string <parameter><optional>udp://</optional>hostname</parameter>
</paramdef>
<paramdef>int <parameter>port</parameter></paramdef>
<paramdef>int
<parameter><optional>errno</optional></parameter>
@ -133,14 +135,17 @@
</funcprototype>
</funcsynopsis>
<para>
Initiates a stream connection in the Internet (AF_INET) or Unix
(AF_UNIX) domain. For the Internet domain, it will open a TCP
socket connection to <parameter>hostname</parameter> on port
<parameter>port</parameter>. For the Unix domain,
<parameter>hostname</parameter> will be used as the path to the
socket, <parameter>port</parameter> must be set to 0 in this
case. The optional <parameter>timeout</parameter> can be used to
set a timeout in seconds for the connect system call.
Initiates a stream connection in the Internet (AF_INET, using
TCP or UDP) or Unix (AF_UNIX) domain. For the Internet domain,
it will open a TCP
socket connection to <parameter>hostname</parameter> on
port <parameter>port</parameter>. For UDP connections, you need
to explicitely specify the the protocol:
<parameter>udp://hostname</parameter>. For the Unix domain,
<parameter>hostname</parameter> will be used as the path to the
socket, <parameter>port</parameter> must be set to 0 in this
case. The optional <parameter>timeout</parameter> can be used
to set a timeout in seconds for the connect system call.
</para>
<para>
<function>Fsockopen</function> returns a file pointer which may
@ -185,6 +190,23 @@ if (!$fp) {
}
</programlisting>
</example>
The example below shows how to retrieve the day and time
from the UDP service "daytime" (port 13) in your own machine.
<example>
<title>Using UDP connection</title>
<programlisting role="php">
&lt;?php
$fp = fsockopen("udp://127.0.0.1",13, &amp;$errno; &amp;$errstr);
if (!fp) {
echo "ERROR: $errno - $errstr&lt;br&gt;\n";
} else {
fwrite($fp,"\n");
echo fread($fp, 26);
fclose($fp);
}
?&gt;
</programlisting>
</example>
See also: <function>pfsockopen</function>
</para>
</refsect1>