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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('2015-09-01', '2015-09-22'));// 21 var_dump(datediffInWeeks('6/4/2013', '1/2/2013'));// 21
Output for 8.3.0 - 8.3.4, 8.3.6
float(3) Fatal error: Uncaught Error: Call to a member function diff() on false in /in/6iIXH:7 Stack trace: #0 /in/6iIXH(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/6iIXH(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/6iIXH on line 7
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 float(3) Fatal error: Uncaught Error: Call to a member function diff() on false in /in/6iIXH:7 Stack trace: #0 /in/6iIXH(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/6iIXH(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/6iIXH 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
float(3) Fatal error: Uncaught Error: Call to a member function diff() on bool in /in/6iIXH:7 Stack trace: #0 /in/6iIXH(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/6iIXH(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/6iIXH 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
float(3) Fatal error: Uncaught Error: Call to a member function diff() on boolean in /in/6iIXH:7 Stack trace: #0 /in/6iIXH(4): datediffInWeeks('1/2/2013', '6/4/2013') #1 /in/6iIXH(11): datediffInWeeks('6/4/2013', '1/2/2013') #2 {main} thrown in /in/6iIXH on line 7
Process exited with code 255.
Output for 5.6.7 - 5.6.28
float(3) Fatal error: Call to a member function diff() on boolean in /in/6iIXH on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
float(3) Fatal error: Call to a member function diff() on a non-object in /in/6iIXH on line 7
Process exited with code 255.
Output for 5.2.10 - 5.2.17
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/6iIXH on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Fatal error: Call to undefined method DateTime::createfromformat() in /in/6iIXH on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/6iIXH on line 5
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/6iIXH on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/6iIXH on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/6iIXH on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6iIXH on line 7
Process exited with code 255.
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