xref: /PHP-7.3/ext/date/tests/bug50055.phpt (revision f1286280)
1--TEST--
2Bug #50555 (DateTime::sub() allows 'relative' time modifications).
3--FILE--
4<?php
5$now = '2010-03-07 13:21:38 UTC';
6//positive DateInterval
7$da1 = date_create( $now );
8$ds1 = date_create( $now );
9$i = DateInterval::createFromDateString('third Tuesday of next month');
10echo $da1->format( DateTime::ISO8601 ), "\n";
11echo date_add($da1, $i)->format( DateTime::ISO8601 ), "\n";
12date_sub($ds1, $i);
13
14//negative DateInterval
15$da2 = date_create( $now );
16$ds2 = date_create( $now );
17$i2 = DateInterval::createFromDateString('third Tuesday of last month');
18echo $da2->format( DateTime::ISO8601 ), "\n";
19echo date_add($da2, $i2)->format( DateTime::ISO8601 ), "\n";//works
20date_sub($ds2, $i);
21?>
22--EXPECTF--
232010-03-07T13:21:38+0000
242010-04-20T13:21:38+0000
25
26Warning: date_sub(): Only non-special relative time specifications are supported for subtraction in %sbug50055.php on line 9
272010-03-07T13:21:38+0000
282010-02-16T13:21:38+0000
29
30Warning: date_sub(): Only non-special relative time specifications are supported for subtraction in %sbug50055.php on line 17
31