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<?php $n = '2017-2-1'; $start = \DateTime::createFromFormat('Y-m-d', $n); $end = new \DateTime($n . ' 1 month - 1 second'); $b = new \DateTime('2017-2-12'); var_dump($start->format('Y.M.d')); var_dump($end->format('Y.M.d')); var_dump($end->diff($b));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(11) "2017.Feb.01" string(11) "2017.Feb.28" object(DateInterval)#4 (10) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(16) ["h"]=> int(23) ["i"]=> int(59) ["s"]=> int(59) ["f"]=> float(0) ["invert"]=> int(1) ["days"]=> int(16) ["from_string"]=> bool(false) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(11) "2017.Feb.01" string(11) "2017.Feb.28" object(DateInterval)#4 (10) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(16) ["h"]=> int(23) ["i"]=> int(59) ["s"]=> int(59) ["f"]=> float(0) ["invert"]=> int(1) ["days"]=> int(16) ["from_string"]=> bool(false) }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
string(11) "2017.Feb.01" string(11) "2017.Feb.28" object(DateInterval)#4 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(16) ["h"]=> int(23) ["i"]=> int(59) ["s"]=> int(59) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(16) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.6.38, 7.0.0 - 7.0.33
string(11) "2017.Feb.01" string(11) "2017.Feb.28" object(DateInterval)#4 (15) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(16) ["h"]=> int(23) ["i"]=> int(59) ["s"]=> int(59) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(16) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }

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