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<?php $a = new DateTime('2000-01-01'); $b = new DateTime('2010-01-01'); $diff = date_diff($a, $b); echo '$a=', $a->format('Y-m-d H:i:s'), "\n"; echo '$b=', $b->format('Y-m-d H:i:s'), "\n"; var_dump($diff);
Output for 7.1.0
$a=2000-01-01 00:00:00 $b=2010-01-01 00:00:00 object(DateInterval)#3 (16) { ["y"]=> int(10) ["m"]=> int(0) ["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"]=> int(3653) ["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 - 7.0.14
$a=2000-01-01 00:00:00 $b=2010-01-01 00:00:00 object(DateInterval)#3 (15) { ["y"]=> int(10) ["m"]=> int(0) ["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"]=> int(3653) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16
$a=2000-01-01 00:00:00 $b=2010-01-01 00:00:00 object(DateInterval)#3 (8) { ["y"]=> int(10) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(0) ["days"]=> int(3653) }
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function date_diff() in /in/g40os on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/g40os on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/g40os on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/g40os on line 3