3v4l.org

run code in 300+ PHP versions simultaneously
<?php $period_durations = [ 'every_2_hours' => 2, 'every_4_hours' => 4, 'every_8_hours' => 8, ]; $period = 'every_8_hours'; $hour = (int) date('G'); $duration = $period_durations[$period]; $hour = ((int)($hour/$duration)+1)*$duration; // drop remainder var_dump($hour); $dateTime = new DateTime(); $dateTime->setTime($hour, 0, 0); print_r($dateTime);
Output for 5.4.30 - 5.4.45, 5.5.14 - 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 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(24) DateTime Object ( [date] => 2015-05-14 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.3.32 - 7.3.33, 8.0.13
int(16) DateTime Object ( [date] => 2015-05-13 16:00:00.000000 [timezone_type] => 3 [timezone] => UTC )
Output for 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
int(24) DateTime Object ( [date] => 2015-05-14 00:00:00 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/GYR0X on line 4
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/GYR0X on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/GYR0X on line 4
Process exited with code 255.
preferences:
296.5 ms | 401 KiB | 459 Q