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<?php $a = ['red', 'green', 'blue']; $choices = []; foreach ($a as $e) { $choices[$e] = $e; } var_dump($choices); var_dump(array_combine($a, $a));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["red"]=> string(3) "red" ["green"]=> string(5) "green" ["blue"]=> string(4) "blue" } array(3) { ["red"]=> string(3) "red" ["green"]=> string(5) "green" ["blue"]=> string(4) "blue" }

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