How to use PHP to get the start date and end Date _php instance of the month where the specified date is located

Copy Code code as follows:

/**
* Get the start date and end date of the month on which the specified date is located
* @param string $date
* @param Boolean is true to return the start date, otherwise the end date is returned
* @return Array
* @access Private
*/
Private Function Getmonthrange ($date, $returnFirstDay = True) {
$timestamp = Strtotime ($date);
if ($returnFirstDay) {
$monthFirstDay = Date (' Y-m-1 00:00:00 ', $timestamp);
return $monthFirstDay;
} else {
$mdays = date (' t ', $timestamp);
$monthLastDay = Date (' y-m-'. $mdays. ' 23:59:59 ', $timestamp);
return $monthLastDay;
}
}