3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $day = 'saturday';$step = 2;$unit = 'W';$start = new DateTime();$end = clone $start;$start->modify($day); // Move to first occurence$end->add(new DateInterval('P1Y')); // Move to 1 year from start$interval = new DateInterval("P{$step}{$unit}");$period = new DatePeriod($start, $interval, $end);foreach ($period as $date) { echo $date->format('D, d M Y'), PHP_EOL;}
based on AO78a
Output for 5.2.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/ZA4Go on line 1
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ZA4Go on line 1
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/ZA4Go on line 1
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/ZA4Go on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZA4Go on line 1
Process exited with code 255.