314 lines
6.9 KiB
PHP
314 lines
6.9 KiB
PHP
<?php
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class dateChajian extends Chajian
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{
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public $now;
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public $date;
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protected function initChajian()
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{
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$this->now = $this->rock->now;
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$this->date = $this->rock->date;
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}
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public function formatdt($dt='',$format='Y-m-d H:i:s')
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{
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return date($format,strtotime($dt));
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}
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/**
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获取上月
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*/
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public function lastmonth($dt, $type='Y-m')
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{
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return $this->adddate($dt,'m',-1,$type);
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}
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/**
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计算时间间隔
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*/
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public function datediff($type,$start,$end)
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{
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$time1 = strtotime($start);
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$time2 = strtotime($end);
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$val=0;
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switch($type){
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case 'Y'://年
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$Y1 = date('Y',$time1);
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$Y2 = date('Y',$time2);
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$val = $Y2 - $Y1;
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break;
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case 'm'://月份
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$y1 = date('Y',$time1);
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$y2 = date('Y',$time2);
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$m1 = date('m',$time1);
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$m2 = date('m',$time2);
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$y = $y1 - $y2;
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$mz = 0;
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if($y1 == $y2){
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$mz=$m2-$m1;
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}elseif($y1<$y2){
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$mz = 12-$m1+$m2+12*($y2-$y1-1);
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}else{
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$mz = -(12-$m2+$m1+12*($y1-$y2-1));
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}
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$val = $mz;
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break;
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case 'd'://日
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$dt1 = strtotime(date('Y-m-d',$time1));
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$dt2 = strtotime(date('Y-m-d',$time2));
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$time=$dt2-$dt1;
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$val = $time/3600/24;
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break;
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case 'H'://小时
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$time = $time2 - $time1;
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$val = floor($time/3600);
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break;
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case 'i'://分钟
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$time = $time2 - $time1;
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$val = floor($time/60);
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break;
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case 's'://秒
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$val = $time2 - $time1;
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break;
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}
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return $val;
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}
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/**
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时间计算添加
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*/
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public function adddate($dt,$lx,$v=0,$type='')
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{
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$time = strtotime($dt);
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$arrn1 = explode(' ',$dt);
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$arrn = explode('-',$arrn1[0]);
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$Y = (int)$arrn[0];
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$m = (int)$arrn[1];
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$d = (int)$arrn[2];
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$H=$i=$s=0;
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if($this->contain($dt,':')){
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$arrn2 = explode(':',$arrn1[1]);
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$H = (int)$arrn2[0];
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$i = (int)$arrn2[1];
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$s = (int)$arrn2[2];
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}
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$rval = $dt;
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if($type=='')$type=($H==0)?'Y-m-d':'Y-m-d H:i:s';
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if($type=='datetime')$type='Y-m-d H:i:s';
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if($v ==0)return date($type, $time);
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switch($lx){
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case 'm'://月份
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$time = mktime($H, $i, $s, $m+$v, $d, $Y);
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break;
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case 'Y'://年
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$time = mktime($H, $i, $s, $m, $d, $Y+$v);
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break;
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case 'd'://日期
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$time = mktime($H, $i, $s, $m, $d+$v, $Y);
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break;
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case 'H'://时
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$time = mktime($H+$v, $i, $s, $m, $d, $Y);
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break;
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case 'i'://分
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$time = mktime($H, $i+$v, $s, $m, $d, $Y);
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break;
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case 's'://秒
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$time = mktime($H, $i, $s+$v, $m, $d, $Y);
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break;
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}
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$rval = date($type,$time);
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return $rval;
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}
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//是否包含返回bool
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public function contain($str,$a)
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{
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return $this->rock->contain($str,$a);
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}
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//判断是否为空
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public function isempt($str)
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{
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return $this->rock->isempt($str);
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}
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public function diffstr($start, $end, $str, $lx=0, $restr='')
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{
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$time1 = strtotime($start);
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$time2 = strtotime($end);
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$sj = $time1-$time2;
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if($lx==1 && $sj<=0)return '';
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return $this->sjdate($sj, $str, $restr);
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}
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public function sjdate($sj, $str='', $restr='')
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{
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$h = $i = $s = $d = 0;
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$d = floor($sj/3600/24);
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$sj = $sj - $d * 3600 * 24;
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$h = floor($sj/3600);
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$sj = $sj - $h*3600;
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$i = floor($sj/60);
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$s = $sj - $i * 60;
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$str = str_replace(array('d','H','i','s'),array($d,$h,$i,$s), $str);
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if($restr!=''){
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$resta = explode(',', $restr);
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foreach($resta as $restas)$str = str_replace($restas,'', $str);
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}
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return $str;
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}
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public function isdate($dt)
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{
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$bo = false;
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if($this->isempt($dt))return $bo;
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$arr = explode('-', $dt);
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if(count($arr)>2)$bo = true;
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$len = strlen($dt);
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if($len>10){
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$sfm = explode(' ', $dt);
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if(!isset($sfm[1]))return false;
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$arr = explode(':', $sfm[1]);
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if(count($arr)<2)return false;
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}
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return $bo;
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}
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/**
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返回月份最大日期
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*/
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public function getenddt($month)
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{
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$month = substr($month,0,7);
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$max = $this->getmaxdt($month);
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return ''.$month.'-'.$max.'';
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}
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public function getmaxdt($dt)
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{
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$d = explode('-', $dt);
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$m = (int)$d[1];
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$y = (int)$d[0];
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$a = array(31,28,31,30,31,30,31,31,30,31,30,31);
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$d = $a[$m-1];
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if($y%4 == 0 && $m==2 && $y%100 != 0)$d++;
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return $d;
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}
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public function cnweek($date)
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{
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if(isempt($date))return '';
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$arr = array('日','一','二','三','四','五','六');
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return $arr[date('w', strtotime($date))];
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}
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//读取本周日期
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public function getweekarr($dt)
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{
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$w = date('w', strtotime($dt));
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$a = array(-6,0,-1,-2,-3,-4,-5);
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$oi = $a[$w];
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$le = $oi+7;
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for($j=$oi; $j<$le; $j++){
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$arr[] = $this->adddate($dt, 'd', $j);
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}
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return $arr;
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}
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public function getweekfirst($dt)
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{
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$arr = $this->getweekarr($dt);
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return $arr[0];
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}
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public function getweeklast($dt)
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{
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$arr = $this->getweekarr($dt);
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return $arr[6];
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}
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/**
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计算返回当前间隔分析：今天 10:20
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*/
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public function stringdt($dttime, $type='G H:i')
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{
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$s = '';$H=$s=$i='00';
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$dts= explode(' ', $dttime);
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$yms= explode('-', $dts[0]);
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$Y = $yms[0];$m = $yms[1];$d = $yms[2];
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$jg = $this->datediff('d', $dts[0], $this->date);
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$G = '';
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if($jg==0)$G='今天';
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if($jg==1)$G='昨天';
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if($jg==2)$G='前天';
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if($jg==-1)$G='明天';
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if($jg==-2)$G='后天';
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$A = $G;
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if($G=='')$G=substr($dts[0], 5);
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if($A=='')$A=$dts[0];
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$w = $this->cnweek($dts[0]);
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if(isset($dts[1])){
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$sjs = explode(':', $dts[1]);
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$H = $sjs[0];
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if(isset($sjs[1]))$i = $sjs[1];
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if(isset($sjs[2]))$s = $sjs[2];
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}
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$str = str_replace(
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array('A','G','H','i','s','w','Y','m','d'),
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array($A,$G,$H,$i,$s,$w, $Y, $m, $d),
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$type);
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return $str;
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}
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/**
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* 计算周期$rate:d1,d2,$dt开始时间
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* 返回日期，根据日期判断是不是今天
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*/
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public function daterate($rate, $dt, $nowdt='')
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{
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if(isempt($rate) || isempt($dt))return false;//没有周期
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$dt = substr($dt,0, 10);//日期的类型
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if($nowdt=='')$nowdt = $this->rock->date;
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$nowdt = substr($nowdt, 0, 10);
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$jg = str_replace(array('m','d','w','y'),array('','','',''),$rate);
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if($jg=='')$jg='1';
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$jg = (int)$jg;
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$lx = substr($rate, 0, 1);
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if($lx=='d'){
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$jge = $this->datediff('d', $dt, $nowdt);
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if($jge % $jg==0 || $jge==0){
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return $nowdt;
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}
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}
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//每月
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if($lx=='m'){
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$jge = $this->datediff('m', $dt, $nowdt);
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if($jge % $jg==0 || $jge==0){
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$ndt = date('Y-m-'.substr($dt, 8).'');
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if($ndt==$nowdt)return $nowdt;
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}
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}
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//每年
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if($lx=='y'){
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$jge = $this->datediff('y', $dt, $nowdt);
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if($jge % $jg==0 || $jge==0){
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$ndt = date('Y-'.substr($dt, 5).'');
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if($ndt==$nowdt)return $nowdt;
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}
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}
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//每周
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if($lx=='w'){
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$w = (int)date('w', strtotime($nowdt));if($w==0)$w=7;//星期7
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if($w==$jg){
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return $nowdt;
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}
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}
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return false;
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}
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}
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