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<?php $arrayIn = [ [ 0 => "3", 1 => "12345" ], [ 0 => "2", 1 => "123" ] ]; $arrayOut = []; foreach ($arrayIn as $arr) { $arrayOut[$arr[1]] = $arr[0]; } var_dump($arrayOut);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [12345]=> string(1) "3" [123]=> string(1) "2" }

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