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<?php $datetime1 = new DateTime('31 March 2014'); $datetime2 = new DateTime('16 May 2014'); $interval = $datetime1->diff($datetime2); echo $interval->format('%y years %m months and %d days');
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.25, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
0 years 1 months and 15 days
Output for 5.3.0 - 5.3.2
0 years 1 months and 16 days
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/b8J7b on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/b8J7b on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/b8J7b 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/b8J7b on line 3

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