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@alucard001
Created March 30, 2020 02:57
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[PHP]Get Next Business Day, include/not include holiday
<?php
/**
* One of my task is to create a function that find the next business day.
*
* Reference: https://stackoverflow.com/a/5532070/1802483
*/
class GetNextBusinessDay{
// Get a list of holiday in https://holidayapi.com/. Then I copy, paste and edit it manually to make this list
private $holidayList = [
"2020-04-04",
"2020-04-10",
"2020-04-11",
"2020-04-12",
"2020-04-13",
"2020-04-30",
"2020-05-01",
"2020-05-10",
"2020-06-20",
"2020-06-21",
"2020-06-25",
];
private $returnDateFormat = "Ymd";
public function find($tmpDate){
// T+2 (business date), if you need T + x (current day plus some number of days), you can edit it here.
// In my case since I am using T+2, so I put $i + 2
$i = 1 + 2;
// Need to have more limit: before 5:00pm, if current time is bigger than deadLine, move to next day
// if you need it you can keep it, or you can remove it. :D
$deadLine = strtotime(date("Y-m-d 17:00", strtotime($tmpDate)));
if(strtotime("now") >= $deadLine){
$i += 1;
}
// The core of this script is "+x Weekday"
$nextBusinessDay = date($this->returnDateFormat, strtotime($tmpDate . ' +' . $i . ' Weekday'));
// If the date is in the holidayList above, move to next day, and check again
// Include this checking if you need to verify date with your holiday list,
// or you can just comment it to remove.
while (in_array($nextBusinessDay, $this->holidayList)) {
$i++;
$nextBusinessDay = date($this->returnDateFormat, strtotime($tmpDate . ' +' . $i . ' Weekday'));
}
return $nextBusinessDay;
}
}
@alucard001
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I know I can make it more elegant and simple, and class/object oriented. But I think it is just enough for people to understand the login behind.

Hope it helps someone.

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