In PHP you may retrieve this data using the following code:
<?php
$data = ResourceBundle::create('sr_Latn_ME', 'ICUDATA-lang');
foreach($data as $name => $value) {
    echo "$name: " . print_r($value, true);
}
<?php [ 'arn' => 'mapudungun' 'be' => 'bjeloruski' 'bm' => 'bamanankan' 'bn' => 'bangla' 'ff' => 'fulah' 'ht' => 'haićanski kreolski' 'lo' => 'laoški' 'moh' => 'mohok' 'nqo' => 'n’ko' 'shi' => 'južni šilha' 'xh' => 'isikosa' 'zgh' => 'standardni marokanski tamašek' 'zu' => 'isizulu' ]