mirror of
https://github.com/sigmasternchen/php-doc-en
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a56106f691
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@317502 c90b9560-bf6c-de11-be94-00142212c4b1
113 lines
2.9 KiB
XML
113 lines
2.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.getservbyname" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>getservbyname</refname>
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<refpurpose>Get port number associated with an Internet service and protocol</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>getservbyname</methodname>
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<methodparam><type>string</type><parameter>service</parameter></methodparam>
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<methodparam><type>string</type><parameter>protocol</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>getservbyname</function> returns the Internet port
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which corresponds to <parameter>service</parameter> for the
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specified <parameter>protocol</parameter> as per
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<filename>/etc/services</filename>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>service</parameter></term>
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<listitem>
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<para>
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The Internet service name, as a string.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>protocol</parameter></term>
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<listitem>
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<para>
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<parameter>protocol</parameter> is either <literal>"tcp"</literal>
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or <literal>"udp"</literal> (in lowercase).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the port number, or &false; if <parameter>service</parameter> or
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<parameter>protocol</parameter> is not found.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>getservbyname</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$services = array('http', 'ftp', 'ssh', 'telnet', 'imap',
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'smtp', 'nicname', 'gopher', 'finger', 'pop3', 'www');
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foreach ($services as $service) {
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$port = getservbyname($service, 'tcp');
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echo $service . ": " . $port . "<br />\n";
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>getservbyport</function></member>
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<member>
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<link xlink:href="&url.network.port-numbers;">&url.network.port-numbers;</link>
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for a complete list of port numbers.
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</member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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