What functions in PHP can be utilized to determine the last day of a month?

To determine the last day of a month in PHP, you can use the `cal_days_in_month()` function which returns the number of days in a month for a specified year and month. You can combine this function with `date()` to get the last day of the current month. 

$currentMonth = date('m');
$currentYear = date('Y');
$lastDay = cal_days_in_month(CAL_GREGORIAN, $currentMonth, $currentYear);

echo "The last day of the current month is: " . $lastDay;

Keywords

PHP functions last day month date manipulation

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