Date::addMonth

Add months to a date

Description

public string Date::addMonth( string $dateTime, int $interval, [ string $format = 'Y-m-d H:i:s' ] )

Returns $dateTime plus $interval months, formatted with date() format $format. When the day does not exist in the target month, the last day of that month is used. The time is reset to 00:00:00.

Arguments

Name	Data type	Default	Remarks
$dateTime	string		Base date
$interval	int		Number of months (negative: before)
$format	string	'Y-m-d H:i:s'	date() format of the result

Example

Controller

use Fegg\Tool\Date;

$date = new Date();

echo $date->addMonth('2024-01-31', 1);            // -> "2024-02-29 00:00:00"
echo $date->addMonth('2024-04-15', -6, 'Y/m/d');  // -> "2023/10/15"