在php中如何定义和使用一个常量？

C语言高手请进下面是一个日历表，

改很麻烦。 不如用以下这个程序吧。 #include #include #include int IsLeapYear(int); void main() { int i; int day; int year; int temp; int temp_i; long int Year_days = 0; int Year_Start = 1; int Per_Year_Days; int month_day[]={31,28,31,30,31,30,31,31,30,31,30,31,29}; printf("Please enter the year: "); scanf("%d",&...全部

  改很麻烦。 不如用以下这个程序吧。
   #include #include #include int IsLeapYear(int); void main() { int i; int day; int year; int temp; int temp_i; long int Year_days = 0; int Year_Start = 1; int Per_Year_Days; int month_day[]={31,28,31,30,31,30,31,31,30,31,30,31,29}; printf("Please enter the year: "); scanf("%d",&year); while(Year_Start 1 ) if( Year_days % 7 == 0 ) printf("\n"); if( day >= 10 ) printf("%d ",day); else printf("%d ",day); Year_days++; day++; } else while (day 1 ) if( Year_days % 7 == 0 ) printf("\n"); if( day >=10 ) printf("%d ",day); else printf("%d ",day); Year_days++; day++; } printf("\n"); if( getch() == 'q' ) exit(0); } getch(); } int IsLeapYear( int year ) { if ((year %4 == 0) && (year % 100 != 0) || (year % 400 == 0) ) return 1; else return 0; } 。收起