3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strtotime('2013-07-28 04:00:00');
Output for 4.3.0 - 5.2.17, 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1374976800
Output for 5.4.0 - 5.4.45
Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /in/mlV0Y on line 3 1374984000
Output for 5.3.0 - 5.3.29
Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Europe/Berlin' for 'CEST/2.0/DST' instead in /in/mlV0Y on line 3 1374976800