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run code in 150+ php & hhvm versions
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<?php $year = 2013; $month = 10; $week_nr_of_month = 3; // from 1 to 6 weeks in month $day_of_week = 0; // Sunday date("w") $start = new DateTime(); $start->setDate($year, $month, '1'); $end = clone $start; $end->modify('last day of month'); $interval = new DateInterval('P1D'); $period = new DatePeriod($start, $interval, $end); $week = 0; foreach ($period as $date) { if ($date->format('w') === $day_of_week) { $week++; if ($week_nr_of_month === $week) { // bingo! } } }
Output for 5.3.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: DateTime::modify(): Failed to parse time string (last day of month) at position 12 (m): The timezone could not be found in the database in /in/eKD2n on line 11
Output for 5.3.0 - 5.3.1, hhvm-3.10.0
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (last day of month) at position 9 (o): The timezone could not be found in the database in /in/eKD2n on line 11 Fatal error: Class 'DateInterval' not found in /in/eKD2n on line 12
Process exited with code 255.
Output for 5.2.0 - 5.2.12
Fatal error: Class 'DateInterval' not found in /in/eKD2n on line 12
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/eKD2n on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/eKD2n on line 10
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/eKD2n on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/eKD2n on line 10
Process exited with code 255.