3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'Alemanha' => 1, 'China' => 5, 'EUA' => 13, 'Itália' => 2, 'África do Sul' => 1 ]; $keys = array_keys($arr); $collator = new Collator('pt_BR'); $collator->sort($keys); foreach ($keys as $key) { $result[$key] = $arr[$key]; } var_export($result);

preferences:
81.01 ms | 405 KiB | 5 Q