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<?php $birthday = '12/07/1984'; $dt = DateTime::createFromFormat('U',time())->diff(DateTime::createFromFormat('m/d/Y',$birthday)); var_dump($dt);
based on Yfag6
Output for 7.1.0 - 7.2.0
object(DateInterval)#3 (16) { ["y"]=> int(31) ["m"]=> int(1) ["d"]=> int(13) ["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(1) ["days"]=> int(11366) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.5.0 - 7.0.20
object(DateInterval)#3 (15) { ["y"]=> int(31) ["m"]=> int(1) ["d"]=> int(13) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(11366) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }