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<?php $arr = [ "EU" => [ 0 => "NL", 1 => "BE", 3 => "FR", 4 => "DE", 5 => "ES", 6 => "IT", 7 => "GB", 8 => "TR", 9 => "DK", ], "AS" => ["AB", "AA"] ]; foreach ($arr as &$row) { sort($row); } var_export($arr);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'EU' => array ( 0 => 'BE', 1 => 'DE', 2 => 'DK', 3 => 'ES', 4 => 'FR', 5 => 'GB', 6 => 'IT', 7 => 'NL', 8 => 'TR', ), 'AS' => array ( 0 => 'AA', 1 => 'AB', ), )
preferences:
86.54 ms | 1131 KiB | 4 Q