84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
例如:
define('db_host', $ini) ;
define('db_host','23213') ;
Definitely not
Can constants be modified after they are defined? -PHP Chinese website Q&A-Can constants be modified after they are defined? -PHP Chinese website Q&A
Please watch and learn.
常量值被定义后,在脚本的其他任何地方都不能被改变,所以如果想修改的话,还是要回到定义常量的地方进行修改
Definitely not
Can constants be modified after they are defined? -PHP Chinese website Q&A-Can constants be modified after they are defined? -PHP Chinese website Q&A
Please watch and learn.
常量值被定义后,在脚本的其他任何地方都不能被改变,所以如果想修改的话,还是要回到定义常量的地方进行修改