PHP实现的简单日历代码

日历

//calendar.php

                                                                         
 /*******************************                                          
  *   用来判断是否闰年的函数    *                                          
  *   可以根据更复杂的算法改进  *                                          
  *******************************/                                         
  function leap_year($year)                                                
    {                                                                 
      if($year% 4 == 0) // basic rule                                      
            {                                                              
             return true; // is leap year                                  
            }                                                              
   else                                                                  
     {                                                                   
      return false;                                                      
     }                                                                   
    }                                                                      
                                                                           
 /*******************************                                          
  *   对一些变量进行赋值操作    *                                          
  *   特别注意对二月份的赋值    *                                          
  *******************************/                                         
  function setup()                                                         
   {                                                                       
   global $mon_num;                                                      
   $mon_num=array(31,30,31,30,31,30,31,31,30,31,30,31);                  
     global $mon_name;                                                     
   $mon_name=array("一","二","三","四",                                  
                  "五","六","七","八",                                   
                  "九","十","十一","十二");                              
   if (leap_year($firstday[year])) // basic rule                         
          {                                                                
            $mon_num[1]=29; // is leap year                                
          }                                                                
   else                                                                  
   {                                                                     
     $mon_num[1]=28;                                                     
   }                                                                     
   }                                                                       
                                                                           
 /*******************************                                          
  *   显示表格中的一格          *                                          
  *   显示的内容和颜色可变      *                                          
  *******************************/                                         
        function showline($content,$show_color)                            
        {                                                                  
         $begin_mark = "

";                          
  $begin_mark =$begin_mark."";                   
  $end_mark = " ";                                            
         echo $begin_mark.$content.$end_mark ;                             
        }                                                                  
                                                                           
                                                                           
?>                                                                         
                                                                           
                                                  
                                                                     
                                                                           
                                                                     
                                                                           
                                                                   
                                                                           
         
                                                                           
                                                                     
                                                                           
                                                                     
                                                                           
                                                                         
   //