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<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('Y-m-d', $date1); $second = DateTime::createFromFormat('Y-m-d', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('2013-02-01', '2013-04-06'));// 21 var_dump(datediffInWeeks('6/4/2013', '1/2/2013'));// 21
Output for git.master, git.master_jit
float(9) Fatal error: Uncaught Error: Call to a member function diff() on bool in /in/GtiZ9:7 Stack trace: #0 /in/GtiZ9(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/GtiZ9(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/GtiZ9 on line 7
Process exited with code 255.
Output for rfc.property-hooks
float(9) Fatal error: Uncaught Error: Call to a member function diff() on false in /in/GtiZ9:7 Stack trace: #0 /in/GtiZ9(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/GtiZ9(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/GtiZ9 on line 7
Process exited with code 255.

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