Online PHP editor | output for njLI1

@ 2014-05-29T03:42:27Z

<?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; 
}

print_r($data);

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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 ( [0] => Array ( [id] => 1 [name] => John Snow [score] => 80 [rank] => 1 ) [1] => Array ( [id] => 2 [name] => John Fire [score] => 50 [rank] => 3 ) [2] => Array ( [id] => 3 [name] => John Water [score] => 79 [rank] => 2 ) [3] => Array ( [id] => 4 [name] => John Leaf [score] => 80 [rank] => 1 ) )

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