PHP openlog() 函数

打开和关闭系统记录器的连接：

<?php
function _log($text) {
openlog("phperrors", LOG_PID | LOG_PERROR);
syslog(LOG_ERR, $text);
closelog();
....
....
}
?>

定义和用法

openlog() 函数打开系统记录器的连接。

openlog( ident, option, facility)

Parameter	Description
ident	Required. Specifies a string ident that is added to each message
option	Required. Specifies what logging options will be used when generating a log message. Can be one or more of the following options (separated with \|): LOG_CONS LOG_NDELAY LOG_ODELAY LOG_PERROR LOG_PID
facility	Required. Specifies what type of program is logging the message: LOG_AUTH LOG_AUTHPRIV LOG_CRON LOG_DAEMON LOG_KERN LOG_LOCAL0...LOG_LOCAL7 LOG_LPR LOG_MAIL LOG_NEWS LOG_SYSLOG LOG_USER - (is the only valid log type for Windows OS) LOG_UUCP

返回值：	TRUE 成功，FALSE 失败
PHP 版本：	4.0+