3v4l.org

run code in 200+ php & hhvm versions
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<?php $input = array("a" => "green", "red", "b" => "green", "blue", "red"); $result = array_unique($input); print_r($result);
based on CbD03
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.12
Array ( [a] => green [0] => red [1] => blue )