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<?php // assumed already rsort()ed. $scores = [92, 84, 84, 84, 83, 65, 41, 38, 38, 37]; $gappedRank = 0; $lookup = []; foreach ($scores as $score) { ++$gappedRank; $lookup[$score] ??= $gappedRank; } var_export($lookup);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 92 => 1, 84 => 2, 83 => 5, 65 => 6, 41 => 7, 38 => 8, 37 => 10, )

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