php 排除周末与节假日程序实例代码 |
时间:2015-01-23 来源:西部数据 作者:西部数据 |
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- date_default_timezone_set('prc');
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- function getendday( $start='now', $offset=0, $exception='', $allow='' ){
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- $starttime = strtotime($start);
- $endtime = $starttime + $offset * 24 * 3600;
- $end = date('y-m-d', $endtime);
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- $weekday = date('n', $starttime);
- $remain = $offset % 7;
- $newoffset = 2 * ($offset - $remain) / 7;
- if( $remain > 0 ){
- $tmp = $weekday + $remain;
- if( $tmp >= 7 ){
- $newoffset += 2;
- }else if( $tmp == 6 ){
- $newoffset += 1;
- }
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- if( $weekday == 6 ){
- $newoffset -= 1;
- }else if( $weekday == 7 ){
- $newoffset -= 2;
- }
- }
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- if( is_array($exception) ){
- foreach ($exception as $day){
- $tmp_time = strtotime($day);
- if( $tmp_time>$starttime && $tmp_time<=$endtime ){
- $weekday_t = date('n', $tmp_time);
- if($weekday_t <= 5){
- $newoffset += 1;
- }
- }
- }
- }else{
- if( $exception!='' ){
- $tmp_time = strtotime($exception);
- if( $tmp_time>$starttime && $tmp_time<=$endtime ){
- $weekday_t = date('n', $tmp_time);
- if($weekday_t <= 5){
- $newoffset += 1;
- }
- }
- }
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- }
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- if($newoffset > 0){
- #echo "[{$start} -> {$offset}] = [{$end} -> {$newoffset}]"."<br /> ";
- return getendday($end,$newoffset,$exception,$allow);
- }else{
- return $end;
- }
- }
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- function getendday2( $start='now', $offset=0, $exception='', $allow='' ){
- $starttime = strtotime($start);
- $tmptime = $starttime + 24*3600;
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- while( $offset > 0 ){
- $weekday = date('n', $tmptime);
- $tmpday = date('y-m-d', $tmptime);
- $bfd = false;
- if(is_array($exception)){
- $bfd = in_array($tmpday,$exception);
- }else{
- $bfd = ($exception==$tmpday);
- }
- if( $weekday<=5 && !$bfd){
- $offset--;
- #echo "tmpday={$tmpday}"."<br />";
- }
- $tmptime += 24*3600;
- }
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- return $tmpday;
- }
- $exception = array(
- '2010-01-01','2010-01-02','2010-01-03',
- '2010-04-03','2010-04-04','2010-04-05',
- '2010-05-01','2010-05-02','2010-05-03',
- '2010-06-14','2010-06-15','2010-06-16',
- '2010-09-22','2010-09-23','2010-09-24',
- '2010-10-01','2010-10-02','2010-10-03','2010-10-04',
- '2010-10-05','2010-10-06','2010-10-07',
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- );
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- $t1 = microtime();
- echo getendday('2010-05-12',66,$exception)."<br />";
- $t2 = microtime();echo "use ".($t2-$t1)." s <br />";
- echo getendday2('2010-05-12',66,$exception)."<br />";
- $t3 = microtime();echo "use ".($t3-$t2)." s <br />";
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