PHP计算两个时间之差的函数(年,月,周,日,小时,分钟,秒数)

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<? PHP
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// 时间格式为YYYYMMDDHHmmss
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function timeDiff( $aTime , $bTime )
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{
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// 分割第一个时间
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$ayear = substr ( $aTime , 0 , 4 );
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$amonth = substr ( $aTime , 4 , 2 );
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$aday = substr ( $aTime , 6 , 2 );
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$ahour = substr ( $aTime , 8 , 2 );
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$aminute = substr ( $aTime , 10 , 2 );
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$asecond = substr ( $aTime , 12 , 2 );
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// 分割第二个时间
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$byear = substr ( $bTime , 0 , 4 );
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$bmonth = substr ( $bTime , 4 , 2 );
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$bday = substr ( $bTime , 6 , 2 );
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$bhour = substr ( $bTime , 8 , 2 );
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$bminute = substr ( $bTime , 10 , 2 );
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$bsecond = substr ( $bTime , 12 , 2 );
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// 生成时间戳
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$a = mktime ( $ahour , $aminute , $asecond , $amonth , $aday , $ayear );
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$b = mktime ( $bhour , $bminute , $bsecond , $bmonth , $bday , $byear );
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$timeDiff [ ' second ' ] = $a - $b ;
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// 采用了四舍五入,可以修改
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$timeDiff [ ' mintue ' ] = round ( $timeDiff [ ' second ' ] / 60 );
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$timeDiff [ ' hour ' ] = round ( $timeDiff [ ' mintue ' ] / 60 );
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$timeDiff [ ' day ' ] = round ( $timeDiff [ ' hour ' ] / 24 );
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$timeDiff [ ' week ' ] = round ( $timeDiff [ ' day ' ] / 7 );
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$timeDiff [ ' month ' ] = round ( $timeDiff [ ' day ' ] / 30 ); // 按30天来算
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$timeDiff [ ' year ' ] = round ( $timeDiff [ ' day ' ] / 365 ); // 按365天来算
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return $timeDiff ;
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}
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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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