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run code in 150+ php & hhvm versions
Bugs & Features
<?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 - 7.1.0
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 ) )