(PHP 4, PHP 5 < 5.4.0)
define_syslog_variables — Initializes all syslog related variables
Initializes all variables used in the syslog functions.
没有返回值。
| Variable | Constant equal | Meaning | Notes |
|---|---|---|---|
| $LOG_EMERG | LOG_EMERG |
System is unusable | |
| $LOG_ALERT | LOG_ALERT |
Immediate action required | |
| $LOG_CRIT | LOG_CRIT |
Critical conditions | |
| $LOG_ERR | LOG_ERR |
||
| $LOG_WARNING | LOG_WARNING |
||
| $LOG_NOTICE | LOG_NOTICE |
||
| $LOG_INFO | LOG_INFO |
||
| $LOG_DEBUG | LOG_DEBUG |
||
| $LOG_KERN | LOG_KERN |
||
| $LOG_USER | LOG_USER |
Genetic user level | |
| $LOG_MAIL | LOG_MAIL |
Log to email | |
| $LOG_DAEMON | LOG_DAEMON |
Other system daemons | |
| $LOG_AUTH | LOG_AUTH |
||
| $LOG_SYSLOG | LOG_SYSLOG |
Not available on Netware | |
| $LOG_LPR | LOG_LPR |
||
| $LOG_NEWS | LOG_NEWS |
Usenet new | Not available on HP-UX |
| $LOG_CRON | LOG_CRON |
Not available on all platforms | |
| $LOG_AUTHPRIV | LOG_AUTHPRIV |
Not available on AIX | |
| $LOG_LOCAL0 | LOG_LOCAL0 |
Not available on Windows and Netware | |
| $LOG_LOCAL1 | LOG_LOCAL1 |
Not available on Windows and Netware | |
| $LOG_LOCAL2 | LOG_LOCAL2 |
Not available on Windows and Netware | |
| $LOG_LOCAL3 | LOG_LOCAL3 |
Not available on Windows and Netware | |
| $LOG_LOCAL4 | LOG_LOCAL4 |
Not available on Windows and Netware | |
| $LOG_LOCAL5 | LOG_LOCAL5 |
Not available on Windows and Netware | |
| $LOG_LOCAL6 | LOG_LOCAL6 |
Not available on Windows and Netware | |
| $LOG_LOCAL7 | LOG_LOCAL7 |
Not available on Windows and Netware | |
| $LOG_PID | LOG_PID |
||
| $LOG_CONS | LOG_CONS |
||
| $LOG_ODELAY | LOG_ODELAY |
||
| $LOG_NDELAY | LOG_NDELAY |
||
| $LOG_NOWAIT | LOG_NOWAIT |
Not available on BeOS | |
| $LOG_PERROR | LOG_PERROR |
Not available on AIX |
本函数已自 PHP 5.3.0 起废弃并将自 PHP 5.4.0 起移除。
Example #1 define_syslog_variables() example
<?php
// Check if syslog variables already is defined
if(!get_cfg_var('define_syslog_variables'))
{
define_syslog_variables();
}
// Open the log
openlog('', $LOG_ODELAY, $LOG_MAIL | $LOG_USER);
// Continue script ...
?>
| 版本 | 说明 |
|---|---|
| 5.4.0 | This function was removed from PHP. |
| 5.3.0 | This function now throws an E_DEPRECATED notice. |
define_syslog_variables() only defines global variables. Constants are already always defined, if the syslog module is loaded. You _do not_ need to call this to use the syslog constants.
For instance, on my system:
<?php
var_dump(LOG_ERR); // int(3)
var_dump($LOG_ERR); // NULL (and an E_NOTICE)
define_syslog_variables();
var_dump($LOG_ERR); // int(3)
?>