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<?php $unsorted = ['05-July-2017', '04-June-2017', '05-August-2017']; usort($unsorted, function ($a, $b) { return strtotime($a["date"]) - strtotime($b["date"]); }); print_r($unsorted);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/aXESo:6 Stack trace: #0 [internal function]: {closure}('05-July-2017', '04-June-2017') #1 /in/aXESo(5): usort(Array, Object(Closure)) #2 {main} thrown in /in/aXESo on line 6
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 TypeError: Cannot access offset of type string on string in /in/aXESo:6 Stack trace: #0 [internal function]: {closure}('05-July-2017', '04-June-2017') #1 /in/aXESo(5): usort(Array, Object(Closure)) #2 {main} thrown in /in/aXESo on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/aXESo:6 Stack trace: #0 [internal function]: {closure}('05-July-2017', '04-June-2017') #1 /in/aXESo(7): usort(Array, Object(Closure)) #2 {main} thrown in /in/aXESo on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'date' in /in/aXESo on line 6 Warning: Illegal string offset 'date' in /in/aXESo on line 6 Warning: Illegal string offset 'date' in /in/aXESo on line 6 Warning: Illegal string offset 'date' in /in/aXESo on line 6 Array ( [0] => 05-July-2017 [1] => 04-June-2017 [2] => 05-August-2017 )

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147.78 ms | 403 KiB | 188 Q