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<?php $myArray = [ 'person_1@gmail.com' => [ '2017-01-05' =>[ 'this is line one', 'this is line two', ], '2016-05-05' => [ 'this is another line', 'and this is a fourth line' ], '2017-07-10' => [ 'more lines', 'yet another line' ], ], 'person_2@gmail.com' => [ '2015-01-01' => ['line for person_2'], ] ]; foreach($myArray as $key=>$value){ krsort($myArray[$key]); } print_r($myArray);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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, 8.3.0 - 8.3.4, 8.3.6
Array ( [person_1@gmail.com] => Array ( [2017-07-10] => Array ( [0] => more lines [1] => yet another line ) [2017-01-05] => Array ( [0] => this is line one [1] => this is line two ) [2016-05-05] => Array ( [0] => this is another line [1] => and this is a fourth line ) ) [person_2@gmail.com] => Array ( [2015-01-01] => Array ( [0] => line for person_2 ) ) )
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 Array ( [person_1@gmail.com] => Array ( [2017-07-10] => Array ( [0] => more lines [1] => yet another line ) [2017-01-05] => Array ( [0] => this is line one [1] => this is line two ) [2016-05-05] => Array ( [0] => this is another line [1] => and this is a fourth line ) ) [person_2@gmail.com] => Array ( [2015-01-01] => Array ( [0] => line for person_2 ) ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/pok2e on line 3
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/pok2e on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pok2e on line 3
Process exited with code 255.

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