Nombre de jours de semaine entre deux dates en PHP
You are given two string (dd-mm-yyyy) representing two date,
you have to find number of all weekdays present in between given dates.
function number_of_days($days, $start, $end) {
$start = strtotime($start); $end = strtotime($end);
$w = array(date('w', $start), date('w', $end));
$x = floor(($end-$start)/604800);
$sum = 0;
for ($day = 0;$day < 7;++$day) {
if ($days & pow(2, $day)) {
$sum += $x + ($w[0] > $w[1]?$w[0] <= $day || $day <= $w[1] : $w[0] <= $day && $day <= $w[1]);
}
}
return $sum;
}
function getWeeklyDayNumbers($startDate, $endDate) {
$weekdays = array('monday' => 0, 'tuesday' => 0, 'wednesday' => 0, 'thursday' => 0, 'friday' => 0, 'saturday' => 0, 'sunday' => 0);
$weekdays['monday'] += number_of_days(0x02, $startDate, $endDate); // MONDAY
$weekdays['tuesday'] += number_of_days(0x04, $startDate, $endDate); // TUESDAY
$weekdays['wednesday'] += number_of_days(0x08, $startDate, $endDate); // WEDNESDAY
$weekdays['thursday'] += number_of_days(0x10, $startDate, $endDate); // THURSDAY
$weekdays['friday'] += number_of_days(0x20, $startDate, $endDate); // FRIDAY
$weekdays['saturday'] += number_of_days(0x40, $startDate, $endDate); // SATURDAY
$weekdays['sunday'] += number_of_days(0x01, $startDate, $endDate); // SUNDAY
return $weekdays;
}
$weekdays = getWeeklyDayNumbers('01-01-2021', '31-01-2021');
print_r($weekdays);exit;
Nilesh
