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<?php $array = array( 0 => '801', 2 => '801', 4 => '801', 5 => '802'); $array = array_unique($array); $myArray = array_values($array); var_dump($myArray);
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> string(3) "801" [1]=> string(3) "802" }

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198.05 ms | 404 KiB | 228 Q