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<?php date_default_timezone_set('Europe/Berlin'); // birthdate format is YYYY-MM-DD $birth = new DateTime('1966-01-21'); $today = new DateTime('21-01-2011'); $diff = $birth->diff($today); echo $diff->format('%y') . PHP_EOL; // will output 45 $birth = new DateTime('1966-01-23'); $today = new DateTime('21-01-2011'); $diff = $birth->diff($today); echo $diff->format('%y') . PHP_EOL; // will output 45 wrongly $birth = new DateTime('1966-01-24'); // three days difference! $today = new DateTime('21-01-2011'); $diff = $birth->diff($today); echo $diff->format('%y') . PHP_EOL; // will output 44 - correct ?>
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
45 44 44
Output for 5.3.0 - 5.3.2
45 45 44
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/R2ulp on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/R2ulp on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function date_default_timezone_set() in /in/R2ulp on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: date_default_timezone_set() in /in/R2ulp on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: date_default_timezone_set() in /in/R2ulp on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: date_default_timezone_set() in /in/R2ulp on line 2

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