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>getservbyname</H1
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><P
> (PHP 4, PHP 5)</P
>getservbyname --
Get port number associated with an Internet service and protocol
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><DIV
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NAME="AEN149256"
></A
><H2
>Description</H2
>int <B
CLASS="methodname"
>getservbyname</B
> ( string service, string protocol )<BR
></BR
><P
> <B
CLASS="function"
>getservbyname()</B
> returns the Internet port
which corresponds to <CODE
CLASS="parameter"
>service</CODE
> for the
specified <CODE
CLASS="parameter"
>protocol</CODE
> as per
<TT
CLASS="filename"
>/etc/services</TT
>.
<CODE
CLASS="parameter"
>protocol</CODE
> is either <TT
CLASS="literal"
>"tcp"</TT
>
or <TT
CLASS="literal"
>"udp"</TT
> (in lowercase). Returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if
<CODE
CLASS="parameter"
>service</CODE
> or <CODE
CLASS="parameter"
>protocol</CODE
> is not
found.
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><P
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><B
>例 1. <B
CLASS="function"
>getservbyname()</B
> example</B
></P
><TABLE
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><code><font color="#000000">
<font color="#0000BB"><?php<br />$services </font><font color="#007700">= array(</font><font color="#DD0000">'http'</font><font color="#007700">, </font><font color="#DD0000">'ftp'</font><font color="#007700">, </font><font color="#DD0000">'ssh'</font><font color="#007700">, </font><font color="#DD0000">'telnet'</font><font color="#007700">, </font><font color="#DD0000">'imap'</font><font color="#007700">, <br /></font><font color="#DD0000">'smtp'</font><font color="#007700">, </font><font color="#DD0000">'nicname'</font><font color="#007700">, </font><font color="#DD0000">'gopher'</font><font color="#007700">, </font><font color="#DD0000">'finger'</font><font color="#007700">, </font><font color="#DD0000">'pop3'</font><font color="#007700">, </font><font color="#DD0000">'www'</font><font color="#007700">);<br /><br />foreach (</font><font color="#0000BB">$services </font><font color="#007700">as </font><font color="#0000BB">$service</font><font color="#007700">) { <br /> </font><font color="#0000BB">$port </font><font color="#007700">= </font><font color="#0000BB">getservbyname</font><font color="#007700">(</font><font color="#0000BB">$service</font><font color="#007700">, </font><font color="#DD0000">'tcp'</font><font color="#007700">);<br /> echo </font><font color="#0000BB">$service </font><font color="#007700">. </font><font color="#DD0000">": " </font><font color="#007700">. </font><font color="#0000BB">$port </font><font color="#007700">. </font><font color="#DD0000">"<br />\n"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
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>
</P
><P
> For complete list of port numbers see: http://www.iana.org/assignments/port-numbers.
</P
><P
> See also: <A
HREF="function.getservbyport.html"
><B
CLASS="function"
>getservbyport()</B
></A
>.
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