- date: documentation ( source)
- strtotime: documentation ( source)
<?php
$mo = "February";
$tim = strtotime($mo);
$d = date('F', $tim);
echo $mo . "\n" . $tim . "\n" . $d . "\n";
$a = date('F', -1);
$b = date('F', false);
$c = date('F', 1360623600);
echo $a . "\n" . $b . "\n" . $c . "\n";