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<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('m-d-Y', $date1); $second = DateTime::createFromFormat('m-d-Y', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('2015-2-1', '6-21-2016'));// 21 var_dump(datediffInWeeks('2013-6-1', '1-2-2013'));// 21
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to a member function diff() on false in /in/N0rl4:7 Stack trace: #0 /in/N0rl4(10): datediffInWeeks('2015-2-1', '6-21-2016') #1 {main} thrown in /in/N0rl4 on line 7
Process exited with code 255.
Output for 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
Fatal error: Uncaught Error: Call to a member function diff() on bool in /in/N0rl4:7 Stack trace: #0 /in/N0rl4(10): datediffInWeeks('2015-2-1', '6-21-2016') #1 {main} thrown in /in/N0rl4 on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Uncaught Error: Call to a member function diff() on boolean in /in/N0rl4:7 Stack trace: #0 /in/N0rl4(10): datediffInWeeks('2015-2-1', '6-21-2016') #1 {main} thrown in /in/N0rl4 on line 7
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Call to a member function diff() on boolean in /in/N0rl4 on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Fatal error: Call to a member function diff() on a non-object in /in/N0rl4 on line 7
Process exited with code 255.
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