mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-20 02:48:56 +00:00
b3c69a9140
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@160184 c90b9560-bf6c-de11-be94-00142212c4b1
147 lines
4.3 KiB
XML
147 lines
4.3 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
|
|
<!-- $Revision: 1.6 $ -->
|
|
<!-- splitted from ./en/functions/network.xml, last change in rev 1.9 -->
|
|
<refentry id="function.syslog">
|
|
<refnamediv>
|
|
<refname>syslog</refname>
|
|
<refpurpose>Generate a system log message</refpurpose>
|
|
</refnamediv>
|
|
<refsect1>
|
|
<title>Description</title>
|
|
<methodsynopsis>
|
|
<type>int</type><methodname>syslog</methodname>
|
|
<methodparam><type>int</type><parameter>priority</parameter></methodparam>
|
|
<methodparam><type>string</type><parameter>message</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
<function>syslog</function> generates a log message that will be
|
|
distributed by the system logger.
|
|
<parameter>priority</parameter> is a combination of the facility
|
|
and the level, values for which are given in the next section.
|
|
The remaining argument is the message to send, except that the
|
|
two characters <literal>%m</literal> will be replaced by the
|
|
error message string (strerror) corresponding to the present
|
|
value of <errortype>errno</errortype>.
|
|
</para>
|
|
<para>
|
|
<table>
|
|
<title><function>syslog</function> Priorities (in descending order)</title>
|
|
<tgroup cols="2">
|
|
<thead>
|
|
<row>
|
|
<entry>Constant</entry>
|
|
<entry>Description</entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry>LOG_EMERG</entry>
|
|
<entry>system is unusable</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_ALERT</entry>
|
|
<entry>action must be taken immediately</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_CRIT</entry>
|
|
<entry>critical conditions</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_ERR</entry>
|
|
<entry>error conditions</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_WARNING</entry>
|
|
<entry>warning conditions</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_NOTICE</entry>
|
|
<entry>normal, but significant, condition</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_INFO</entry>
|
|
<entry>informational message</entry>
|
|
</row>
|
|
<row>
|
|
<entry>LOG_DEBUG</entry>
|
|
<entry>debug-level message</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</table>
|
|
</para>
|
|
<para>
|
|
<example>
|
|
<title>Using <function>syslog</function></title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
define_syslog_variables();
|
|
// open syslog, include the process ID and also send
|
|
// the log to standard error, and use a user defined
|
|
// logging mechanism
|
|
openlog("myScriptLog", LOG_PID | LOG_PERROR, LOG_LOCAL0);
|
|
|
|
// some code
|
|
|
|
if (authorized_client()) {
|
|
// do something
|
|
} else {
|
|
// unauthorized client!
|
|
// log the attempt
|
|
$access = date("Y/m/d H:i:s");
|
|
syslog(LOG_WARNING, "Unauthorized client: $access $_SERVER[REMOTE_ADDR] ($_SERVER[HTTP_USER_AGENT])");
|
|
}
|
|
|
|
closelog();
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
</example>
|
|
For information on setting up a user defined log handler, see the
|
|
<citerefentry><refentrytitle>syslog.conf</refentrytitle>
|
|
<manvolnum>5</manvolnum></citerefentry> Unix manual page. More
|
|
information on the syslog facilities and option can be found in the man
|
|
pages for <citerefentry><refentrytitle>syslog</refentrytitle>
|
|
<manvolnum>3</manvolnum></citerefentry> on Unix machines.
|
|
</para>
|
|
<para>
|
|
On Windows NT, the syslog service is emulated using the Event
|
|
Log.
|
|
</para>
|
|
<note>
|
|
<para>
|
|
Use of <literal>LOG_LOCAL0</literal> through
|
|
<literal>LOG_LOCAL7</literal> for the <parameter>facility</parameter>
|
|
parameter of <function>openlog</function> is not available
|
|
in Windows.
|
|
</para>
|
|
</note>
|
|
<para>
|
|
See also <function>define_syslog_variables</function>,
|
|
<function>openlog</function> and
|
|
<function>closelog</function>.
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"../../../../manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|