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PHP计算两个时间之差的函数(年,月,周,日,小时,分钟,秒数)

PHP计算两个时间之差的函数(年,月,周,日,小时,分钟,秒数) 1 <? PHP
2 // 时间格式为YYYYMMDDHHmmss

3 function timeDiff( $aTime , $bTime )
4
{
5 // 分割第一个时间

6      $ayear = substr ( $aTime , 0 , 4 );
7      $amonth = substr ( $aTime , 4 , 2
);
8      $aday = substr ( $aTime , 6 , 2
);
9      $ahour = substr ( $aTime , 8 , 2
);
10      $aminute = substr ( $aTime , 10 , 2
);
11      $asecond = substr ( $aTime , 12 , 2
);
12 // 分割第二个时间

13      $byear = substr ( $bTime , 0 , 4 );
14     $bmonth = substr ( $bTime , 4 , 2
);
15     $bday = substr ( $bTime , 6 , 2
);
16     $bhour = substr ( $bTime , 8 , 2
);
17     $bminute = substr ( $bTime , 10 , 2
);
18    $bsecond = substr ( $bTime , 12 , 2
);
19 // 生成时间戳

20    $a = mktime ( $ahour , $aminute , $asecond , $amonth , $aday , $ayear );
21    $b = mktime ( $bhour , $bminute , $bsecond , $bmonth , $bday , $byear
);
22    $timeDiff [ ' second ' ] = $a - $b
;
23 // 采用了四舍五入,可以修改

24 $timeDiff [ ' mintue ' ] = round ( $timeDiff [ ' second ' ] / 60 );
25 $timeDiff [ ' hour ' ] = round ( $timeDiff [ ' mintue ' ] / 60
);
26 $timeDiff [ ' day ' ] = round ( $timeDiff [ ' hour ' ] / 24
);
27 $timeDiff [ ' week ' ] = round ( $timeDiff [ ' day ' ] / 7
);
28 $timeDiff [ ' month ' ] = round ( $timeDiff [ ' day ' ] / 30 ); // 按30天来算

29 $timeDiff [ ' year ' ] = round ( $timeDiff [ ' day ' ] / 365 ); // 按365天来算
30 return $timeDiff ;
31
}
32 ?>

用法:
$a=timeDiff("20060613161000","20040613150000");
print_r($a);

返回一个数组,可以用下标直接输出来年,月,周,日,小时,分钟,秒数之差

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