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<?php $array = []; for($i = 0; $i <= 1000; $i++) { $user = rand($i, 1000); $rand = rand(0, 1000); $random = $rand != $user ? $rand : $rand + 1; $array[$user] = $random; } print_r($array);

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44.83 ms | 402 KiB | 5 Q