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run code in 200+ php & hhvm versions
Bugs & Features
<?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 $dateTime = new DateTime(); $dateTime->setTime($hour, 0, 0); print_r($dateTime);
based on GYR0X
Output for 5.4.30 - 5.4.45, 5.5.14 - 7.2.0
DateTime Object ( [date] => 2015-05-14 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
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 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/oFfaU on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/oFfaU on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oFfaU on line 4
Process exited with code 255.