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<?php $act = new DateTime('2016-04-01 23:00:00'); $prev = null; $finish = new DateTime('2016-03-27 01:00:00'); while ($act > $finish) { $prev = clone $act; $act->sub(new DateInterval('PT1H')); $passed = assert($prev != $act); if (!$passed) { break; } } var_dump( $act );
Output for 8.0.0 - 8.0.3
Fatal error: Uncaught AssertionError: assert($prev != $act) in /in/TWdmp:11 Stack trace: #0 /in/TWdmp(11): assert(false, 'assert($prev !=...') #1 {main} thrown in /in/TWdmp on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.27, 7.4.0 - 7.4.16
Warning: assert(): assert($prev != $act) failed in /in/TWdmp on line 11 object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-27 03:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.5.38, 5.6.0 - 5.6.30
Warning: assert(): Assertion failed in /in/TWdmp on line 11 object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-27 03:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
Warning: assert(): Assertion failed in /in/TWdmp on line 11 object(DateTime)#1 (3) { ["date"]=> string(19) "2016-03-27 03:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.2.2 - 5.2.17
Fatal error: Call to undefined method DateTime::sub() in /in/TWdmp on line 9
Process exited with code 255.
Output for 5.2.0 - 5.2.1
object(DateTime)#1 (0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/TWdmp on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/TWdmp on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/TWdmp on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TWdmp on line 8
Process exited with code 255.