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<?php var_dump(\DateInterval::createFromDateString('6 years foobarbaz 4 months'));
based on sQjh2
Output for 7.2.17, 7.3.4 - 7.4.0
Warning: DateInterval::createFromDateString(): Unknown or bad format (6 years foobarbaz 4 months) at position 8 (f): The timezone could not be found in the database in /in/cVbcv on line 3 bool(false)
Output for 7.1.25 - 7.2.16, 7.3.0 - 7.3.3
object(DateInterval)#1 (16) { ["y"]=> int(6) ["m"]=> int(4) ["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) }