PHP 8.0.0 Released!


这些函数的行为受 php.ini 中的设置影响。

Network Configuration Options
名字 默认 可修改范围 更新日志
define_syslog_variables "0" PHP_INI_ALL Deprecated in PHP 5.3.0. Removed in PHP 5.4.0.
有关 PHP_INI_* 样式的更多详情与定义,见 配置可被设定范围


define_syslog_variables bool

Whether or not to define the various syslog variables (e.g. $LOG_PID, $LOG_CRON, etc.). Turning it off is a good idea performance-wise. At runtime, you can define these variables by calling define_syslog_variables().

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