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<?php $yourArray = [ 'user 1' => [ ['item 4' => '11385'], ['item 2' => '144268'], ['item 1' => '65774'], ['item 9' => '98523'], ], 'user 5' => [ ['item 8' => '239233'], ], 'user 2' => [ ['item 4' => '53718'], ['item 1' => '154687'], ], ]; $newArray = array(); # start by sorting users $yourArray = ksort($yourArray); # then sort sub items foreach($yourArray as $user=>$theirItems) { $theirItems = ksort($theirItems); # assuming you still want to sort by key; $newArray[$user] = $theirItems; } var_dump($newArray);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: foreach() argument must be of type array|object, true given in /in/lCC7P on line 25 array(0) { }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30
Warning: foreach() argument must be of type array|object, bool given in /in/lCC7P on line 25 array(0) { }
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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Invalid argument supplied for foreach() in /in/lCC7P on line 25 array(0) { }
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/lCC7P 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/lCC7P on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lCC7P on line 3
Process exited with code 255.
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