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<?php $start = new \DateTime('01-02-2015'); $end = new \DateTime(); $interval = $end->diff($start); var_dump( ($interval->format('%y') * 12) + $interval->format('%m') );
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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
int(1)
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 4 Fatal error: Call to undefined method DateTime::diff() in /in/MqsgJ on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 4 Fatal error: Class 'DateTime' not found in /in/MqsgJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 4 Fatal error: Cannot instantiate non-existent class: datetime in /in/MqsgJ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MqsgJ on line 4 Fatal error: Cannot instantiate non-existent class: datetime in /in/MqsgJ on line 3

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