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<?php $array = array('abergabe', 'àstfriesland', 'épfel', 'fnterführung', 'epfel', 'çsterreich', 'Atest', 'Etest'); var_dump(setlocale(LC_COLLATE, 'fr_FR.UTF-8')); usort($array, 'strcoll'); var_dump($array);
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(11) "fr_FR.UTF-8" array(8) { [0]=> string(8) "abergabe" [1]=> string(13) "àstfriesland" [2]=> string(5) "Atest" [3]=> string(11) "çsterreich" [4]=> string(5) "epfel" [5]=> string(6) "épfel" [6]=> string(5) "Etest" [7]=> string(13) "fnterführung" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
bool(false) array(8) { [0]=> string(5) "Atest" [1]=> string(5) "Etest" [2]=> string(8) "abergabe" [3]=> string(5) "epfel" [4]=> string(13) "fnterführung" [5]=> string(13) "àstfriesland" [6]=> string(11) "çsterreich" [7]=> string(6) "épfel" }

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230.57 ms | 405 KiB | 357 Q