3v4l.org

run code in 300+ PHP versions simultaneously
<?php // http://gathering.tweakers.net/forum/list_messages/1644050 $date = new DateTime('2015-01-01'); // Volgens http://www.epochconverter.com/date-and-time/weeknumbers-by-year.php zou het nummer 1 moeten zijn. echo $date->format('W');
Output for 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
01
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/qd4Vt on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/qd4Vt on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/qd4Vt on line 5
preferences:
154.96 ms | 408 KiB | 5 Q