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<?php //$date = new DateTime('2000-12-31'); //$date->add(new DateInterval('P1M')); //var_dump($date->format('Y-m-d')); //$date->add(new DateInterval('P1M')); //var_dump($date->format('Y-m-d')); var_dump(new DateInterval('P1M'));
based on EmW9M
Output for 7.1.0
object(DateInterval)#1 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.6.28, 7.0.0 - 7.0.14
object(DateInterval)#1 (15) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for hhvm-3.10.0 - 3.12.0
object(DateInterval)#1 (0) { }
Output for 5.3.3 - 5.3.26, 5.4.0 - 5.4.16
object(DateInterval)#1 (8) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(0) ["days"]=> bool(false) }
Output for 5.3.0 - 5.3.2
object(DateInterval)#1 (8) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(0) ["days"]=> int(0) }
Output for 5.0.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/TZ2JR on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: dateinterval in /in/TZ2JR on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: dateinterval in /in/TZ2JR on line 9