PHP 忒聊
綴豖
ヶ輛
syslog
(PHP 3, PHP 4)
Description
syslog() generates a log message that will be distributed by the system logger. priority 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 %m will be replaced by the error message string (strerror) corresponding to the present value of errno.
桶跡 1. syslog() Priorities (in descending order)
Constant
Description
LOG_EMERG
system is unusable
LOG_ALERT
action must be taken immediately
LOG_CRIT
critical conditions
LOG_ERR
error conditions
LOG_WARNING
warning conditions
LOG_NOTICE
normal, but significant, condition
LOG_INFO
informational message
LOG_DEBUG
debug-level message
瞰赽 1. Using syslog()
?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("myScripLog", 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 $REMOTE_ADDR ($HTTP_USER_AGENT)");} closelog();?
On Windows NT, the syslog service is emulated using the Event Log.
See also define_syslog_variables(), openlog() and closelog().
綴豖
れ萸
ヶ輛
socket_set_timeout
奻珨撰
Ncurses terminal screen control functions