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php学习之旅3
- WBOYOriginal
- 2016-06-23 14:32:41825browse
php中的预定义常量可以获取php中间的信息。具体的预定义常量可以在php手册中进行查看的说，现在要做的是做一个实例来完成这些预定义常量的使用。接下来是常用的预定义常量的使用代码： 当前的行数".__LINE__; echo "
php当前版本：".PHP_VERSION; echo "
当前操作系统：".PHP_OS; ?>
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