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<?php $serviceStart = new DateTime('8/20/2012'); $serviceEnd = $serviceStart->modify('+2 years'); $diff = $serviceStart->diff($serviceEnd); var_dump($diff->format('%a'), $serviceStart, $serviceEnd); $serviceStart = new DateTime('8/20/2012'); $serviceEnd = (new DateTime('8/20/2012'))->modify('+2 years'); $diff = $serviceStart->diff($serviceEnd); var_dump($diff->format('%a'), $serviceStart, $serviceEnd);
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(1) "0" object(DateTime)#1 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } string(3) "730" object(DateTime)#3 (3) { ["date"]=> string(26) "2012-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#4 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
string(1) "0" object(DateTime)#1 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } string(3) "730" object(DateTime)#3 (3) { ["date"]=> string(26) "2012-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#4 (3) { ["date"]=> string(26) "2014-08-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
string(1) "0" object(DateTime)#1 (3) { ["date"]=> string(19) "2014-08-20 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(19) "2014-08-20 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } string(3) "730" object(DateTime)#3 (3) { ["date"]=> string(19) "2012-08-20 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#4 (3) { ["date"]=> string(19) "2014-08-20 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/v2voU on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/v2voU on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/v2voU on line 11
Process exited with code 255.

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