Answers for "date year month day php"

php days in month

// For given month
echo cal_days_in_month(CAL_GREGORIAN, 1, 2021);
// For current month
echo date('t');

php last day of month

$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));

php get date from day of year

// This should get you a DateTime object from the date and year.
function getDateFromDay($dayOfYear, $year) {
  $date = DateTime::createFromFormat('z Y', strval($dayOfYear) . ' ' . strval($year));
  return $date;
}

// This should get you the day of the year and the year in a string.
date('z Y', strtotime('21 oct 2012'));