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<?php $data = array( array('id' => 1, 'name' => 'John Snow', 'score' => 80), array('id' => 2, 'name' => 'John Fire', 'score' => 50), array('id' => 3, 'name' => 'John Water', 'score' => 79), array('id' => 4, 'name' => 'John Leaf', 'score' => 80), ); $score = array(); foreach ($data as $idx => $dataInd) { $score[$dataInd['score']] = $dataInd['score']; } rsort($score); foreach ($data as $idx => $dataInd) { $data[$idx]['rank'] = array_search($dataInd['score'], $score) + 1; } var_dump($data);

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