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Add new DateTime class has date range weekened method

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dateRangeHasWeekend with two dates, checks if between those two dates
a weekend (sat or sun) is set
This commit is contained in:
Clemens Schwaighofer
2023-07-04 11:43:27 +09:00
parent 53e267ce24
commit bf63d850ca
3 changed files with 109 additions and 0 deletions
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20
www/admin/class_test.datetime.php
View File

@@ -143,6 +143,26 @@ print "DATE-dow[$date];invalid: " . DateTime::setWeekdayNameFromDate($date) . "<
print "DATE-dow[$date],long;invalid: " . DateTime::setWeekdayNameFromDate($date, true) . "<br>";
print "DOW-date[$date];invalid: " . DateTime::setWeekdayNumberFromDate($date) . "<br>";
// check date range includes a weekend
// does not:
$start_date = '2023-07-03';
$end_date = '2023-07-05';
print "Has Weekend: " . $start_date . " ~ " . $end_date . ": "
. Dgs::prBl(DateTime::dateRangeHasWeekend($start_date, $end_date)) . "<br>";
$start_date = '2023-07-03';
$end_date = '2023-07-10';
print "Has Weekend: " . $start_date . " ~ " . $end_date . ": "
. Dgs::prBl(DateTime::dateRangeHasWeekend($start_date, $end_date)) . "<br>";
$start_date = '2023-07-03';
$end_date = '2023-07-31';
print "Has Weekend: " . $start_date . " ~ " . $end_date . ": "
. Dgs::prBl(DateTime::dateRangeHasWeekend($start_date, $end_date)) . "<br>";
$start_date = '2023-07-01';
$end_date = '2023-07-03';
print "Has Weekend: " . $start_date . " ~ " . $end_date . ": "
. Dgs::prBl(DateTime::dateRangeHasWeekend($start_date, $end_date)) . "<br>";
print "</body></html>";
// __END__

25
www/lib/CoreLibs/Combined/DateTime.php
View File

@@ -452,6 +452,31 @@ class DateTime
return $days;
}
}
/**
* check if a weekend day (sat/sun) is in the given date range
* Can have time too, but is not needed
*
* @param string $start_date Y-m-d
* @param string $end_date Y-m-d
* @return bool True for has weekend, False for has not
*/
public static function dateRangeHasWeekend(
string $start_date,
string $end_date,
): bool {
$dd_start = new \DateTime($start_date);
$dd_end = new \DateTime($end_date);
if (
// starts with a weekend
$dd_start->format('N') >= 6 ||
// start day plus diff will be 6 and so fall into a weekend
((int)$dd_start->format('w') + $dd_start->diff($dd_end)->days) >= 6
) {
return true;
}
return false;
}
}
// __END__