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<?php function datediffInWeeks($date1, $date2) { var_dump(date('W', date2) - date('W', date1)); if($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) + 1; } var_dump(datediffInWeeks('11/11/2016', '11/13/2016'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Undefined constant "date2" in /in/dNGPm:4 Stack trace: #0 /in/dNGPm(12): datediffInWeeks('11/11/2016', '11/13/2016') #1 {main} thrown in /in/dNGPm on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "date2" in /in/dNGPm:4 Stack trace: #0 /in/dNGPm(12): datediffInWeeks('11/11/2016', '11/13/2016') #1 {main} thrown in /in/dNGPm on line 4
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant date2 - assumed 'date2' (this will throw an Error in a future version of PHP) in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be int, string given in /in/dNGPm on line 4 Warning: Use of undefined constant date1 - assumed 'date1' (this will throw an Error in a future version of PHP) in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be int, string given in /in/dNGPm on line 4 int(0) float(1)
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant date2 - assumed 'date2' (this will throw an Error in a future version of PHP) in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be integer, string given in /in/dNGPm on line 4 Warning: Use of undefined constant date1 - assumed 'date1' (this will throw an Error in a future version of PHP) in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be integer, string given in /in/dNGPm on line 4 int(0) float(1)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant date2 - assumed 'date2' in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be integer, string given in /in/dNGPm on line 4 Notice: Use of undefined constant date1 - assumed 'date1' in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be integer, string given in /in/dNGPm on line 4 int(0) float(1)
Output for 5.6.0 - 5.6.28
Notice: Use of undefined constant date2 - assumed 'date2' in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be long, string given in /in/dNGPm on line 4 Notice: Use of undefined constant date1 - assumed 'date1' in /in/dNGPm on line 4 Warning: date() expects parameter 2 to be long, string given in /in/dNGPm on line 4 int(0) float(1)
preferences:
190.86 ms | 402 KiB | 192 Q