<?php
$s = '2 months';
$n = strtotime('13 March 2014');
// curr = 5
// pstt = 7
// diff = 2
// trgt = 3
// curr - (pstt - curr)
// 5 - (7 - 5) = 3
$t = $n - (strtotime($s, $n) - $n);
echo date('M', $t);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Jan
preferences:
247.52 ms | 405 KiB | 354 Q