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<?php $arr = array('foo' => 2,'Bar' => 1, 'bar' => 3, 'a' => 0); ksort($arr, SORT_STRING|SORT_FLAG_CASE); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { ["a"]=> int(0) ["Bar"]=> int(1) ["bar"]=> int(3) ["foo"]=> int(2) }

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