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run code in 150+ php & hhvm versions
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<?php $start= "2013-01-31"; $current = date('F', strtotime("first day of next month",strtotime($start))); echo $current."\n"; $date = new DateTime('2013-01-31'); $date->modify( 'first day of next month' ); echo $date->format('F');
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
February February
Output for 5.2.13 - 5.2.17
January Warning: DateTime::modify(): Failed to parse time string (first day of next month) at position 10 (o): The timezone could not be found in the database in /in/jY1OC on line 9 January
Output for 5.2.0 - 5.2.12
January March
Output for 5.0.0 - 5.1.6
January Fatal error: Class 'DateTime' not found in /in/jY1OC on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.9
January Fatal error: Cannot instantiate non-existent class: datetime in /in/jY1OC on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
January Fatal error: Cannot instantiate non-existent class: datetime in /in/jY1OC on line 8