PHP for a period of time each week, the number of months, encountered special days on the back

November 1, 2016 16:18:19 Tuesday

The main function used is strtotime ()

Strtotime (' +1 Tuesday ', $timestamp) gets the next Tuesday, calculated from the timestamp $timestamp, and if $timestamp is left blank, it is calculated from the start of the day

Strtotime (' +1 month ', $timestamp) get the X number for next month, or start with $timestamp.

  1/** 2 * desc Gets a weekly x execution of all dates 3 * @param string $start start date, 2016-10-17 4 * @param string $end end date, 201 6-10-17 5 * @param int $weekDay 6 * @return Array 7 */8 Public Function getweeklybuydate ($star T, $end, $weekDay) 9 {10//Get the day of the week to execute for example: 2016-01-02 $start = Empty ($start)? Date (' y-m-d '): $st Art $startTime = Strtotime ($start); $startDay = Date (' N ', $startTime); if ($startDay < $weekDay) {$startTime = Strtotime (self:: $WORK _day[$weekDay] [' en '], strtotime ($start)); This week x starts, for example, today (Tuesday) user settings are executed every Thursday, and that Thursday will begin to execute the "else {$startTime = Strtotime (' Next ') '. Self:: $WORK _day [$weekDay]  [' en '], strtotime ($start));//The next week X starts, today (Tuesday) user settings are executed every Monday, that should be performed in Monday $endTime = Strtotime ($end); $list = []; for ($i = 0;; $i + +) {$dayOfWeek = Strtotime ("+{$i} Week", $startTime);//weekly X if ($dayOFweek > $endTime) {$ break; $list [] = date (' y-m-d ', $dayOfWeek); $this->getexedate ($start, $end, $list); /** * desc Get all dates executed by x per month * @param string $start start date, 2016-10-17 PNs * @param stri Ng $end End Date, 2016-10-17 * @param int $monthDay 1~28 * @return Array * * * Public function get Monthlybuydate ($start, $end, $monthDay) $monthDay = Str_pad ($monthDay, 2, ' 0 ', str_pad_left);//Left 4 4 $start = Empty ($start)? Date (' y-m-d '): $start; $startTime = Strtotime ($start); $startDay = substr ($start, 8, 2); if (strcmp ($startDay, $monthDay) < 0) {$startMonthDayTime = Strtotime (' y-m-', Strto Time ($start)). $monthDay);  Started this month, today (for example, number 26th) user set 28th per month execution, then this month to start executing the "else {$startMonthDayTime = Strtotime (' y-m-', Strtotime (' +1 month ', $startTime)). $monthDay); Starting next month, the $endTime = Strtotime ($end); $list = []; ($i = 0;; $i + +) {$dayOfMonth = Strtotime ("+{$i} Month", $startMonthDayTime);//monthly X ($dayOfMonth &G T $endTime) {break; $list [] = date (' y-m-d ', $dayOfMonth); $this->getexedate ($start, $end, $list); /** * Desc Returns a list of execution dates deferred * @param string $start start date, 2016-10-17 * @param s Tring $end End Date, 2016-10-17 * @param array $planDate * @return Array * * *-Public function get Exedate ($start, $end, $planDate) 76 {77//Get all trading days $allTradeDate = $this->gettradedate ($start, $ End); 79 80//Take the last trading day Bayi $endTradeDate = end ($allTradeDate);   return format: [' 2016-11-01 ' = ' 2016-11-01 ', ' 2016-11-02 ' = ' 2016-11-02 ', ...], redundant, easy to program 82 83      $exeDate = [];                 Execution date after rollover ($planDate as $date) {!empty ($allTradeDate [$date]) {86 $exeDate [$date] = $date;  No else {//not found, need to be deferred to the next trading day $exeDate [$date] = "; = Strtotime ($endTradeDate); $currentTime = Strtotime ($date);                     ($i = $currentTime; $i <= $endTradeTime; $i +=86400) {//day after day until the next trading day is found until the last trading day of database storage 94 $tmpDate = Date (' y-m-d ', $i); if (!empty ($allTradeDate [$tmpDate])) {//Found on exit loop $exeDate [$date] = $tmpD Ate a break; 98}}100}101}102 103 return $exeDate; 104}

which

1 public static $WORK _day = [2         1 = [' en ' = ' Monday ', ' cn ' = ' One '],3         2 = ' en ' = ' Tuesday ', ' CN ' = ' two '],4         3 = [' en ' = ' Wednesday ', ' cn ' = ' Three '],5         4 = [' en ' = ' Thursday ', ' cn ' = ' Four '],6         5 = [' en ' = ' Friday ', ' cn ' = ' five ']7     ];

PHP for a period of time each week, the number of months, encountered special days on the back