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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('1/2/2013 12:22:38', '6/4/2013'));// 21 var_dump(datediffInWeeks('6/4/2013 13:46:44', '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/A3CPS:7 Stack trace: #0 /in/A3CPS(10): datediffInWeeks('1/2/2013 12:22:...', '6/4/2013') #1 {main} thrown in /in/A3CPS 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/A3CPS:7 Stack trace: #0 /in/A3CPS(10): datediffInWeeks('1/2/2013 12:22:...', '6/4/2013') #1 {main} thrown in /in/A3CPS on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 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/A3CPS:7 Stack trace: #0 /in/A3CPS(10): datediffInWeeks('1/2/2013 12:22:...', '6/4/2013') #1 {main} thrown in /in/A3CPS on line 7
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Call to a member function diff() on boolean in /in/A3CPS on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Fatal error: Call to a member function diff() on a non-object in /in/A3CPS on line 7
Process exited with code 255.
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