(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. |