15 十二章 日期

yuweixian4230

1. <?php
   
2.     //默认设置为上海时区
   
3.     date_default_timezone_set('Asia/Shanghai');
   
4. 
   
5.     //1 checkdate 验证日期
   
6.     echo "april 31,2007".(checkdate(4,31,27)? 'valid':'invalid');
   
7.     echo "<br />";
   
8. 
   
9.     //2 格式化日期和时间 date
   
10.     echo date("m-d-Y");
    
11.     echo "<br />";    
    
12.     echo "the time is".date("h:i:s");
    
13.     echo "<br />";
    
14. 
    
15.     //了解当前时间的更多信息 gettimeofday
    
16.     date_default_timezone_set('Asia/Shanghai');
    
17.     $time = gettimeofday();
    
18.     $GMToffset = $time['minuteswest'] / 60;
    
19.     printf("server location is %d hours west of GMT.",$GMToffset);
    
20.     echo "<br />";
    
21. 
    
22.     //时间戳
    
23.     echo time();
    
24.     echo "<br />";
    
25.     echo date("F d,Y h:i:s",time());
    
26. ?>

1. april 31,2007invalid
   
2. 08-25-2011
   
3. the time is06:04:06
   
4. server location is -8 hours west of GMT.
   
5. 1314266646
   
6. August 25,2011 06:04:06