3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = new DateTime(); $date->modify('monday this week'); // or whatever day you want as first day of the week echo $date->format(DateTime::ISO8601) . "\n";
Output for 5.6.23 - 5.6.28, 7.0.8 - 7.1.0
2013-10-21T00:00:00+0200
Output for 5.3.6 - 5.6.22, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.7
2013-10-28T00:00:00+0100
Output for 5.2.0 - 5.3.5
2013-10-28T13:04:09+0100
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/pXSBC on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ')', expecting '(' in /in/pXSBC on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected ')', expecting '(' in /in/pXSBC on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/pXSBC on line 4
Process exited with code 255.