how to get next month date from current date in php code example

Example 1: get next month first day php

$config_month  = 1;
$config_day = 1;

$new_expiry_date = date('Y-m-d', mktime(0, 0, 0, date('m') + $config_month, 1 + $config_day, date('Y')));

Example 2: getting last day of next month in php

$lastDateOfNextMonth =strtotime('last day of next month') ;

$lastDay = date('d/m/Y', $lastDateOfNextMonth);

 

print_r($lastDay);