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<?php $a = array( 'roman', '.php', '_bnla', 'Juhu', 'Člutá', '_bla' ); var_dump(setlocale(LC_ALL, 'cs_CZ.utf8')); sort($a, SORT_LOCALE_STRING); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
string(10) "cs_CZ.utf8" array(6) { [0]=> string(4) "_bla" [1]=> string(5) "_bnla" [2]=> string(7) "Člutá" [3]=> string(4) "Juhu" [4]=> string(4) ".php" [5]=> string(5) "roman" }

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