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<?php $data = [ ['id' => 1, 'user' => ['rating' => ['top' => 50, 'avg' => 30]]], ['id' => 2, 'user' => ['rating' => ['top' => 60, 'avg' => 10]]], ['id' => 3, 'user' => ['rating' => ['top' => 25, 'avg' => 12]]], ['id' => 4, 'user' => ['rating' => ['top' => 30, 'avg' => 20]]], ['id' => 5, 'user' => ['rating' => ['top' => 30, 'avg' => 5]]], ]; shuffle($data); function sortBy(&$array, $field) { $accessor = function($row, $path) { $steps = explode('.', $path); $return = $row[array_shift($steps)]; while ($level = array_shift($steps)) { $return =& $return[$level]; } return $return; }; usort($array, function ($a, $b) use ($field, $accessor) { $aVal = $accessor($a, $field); $bVal = $accessor($b, $field); return $aVal <=> $bVal; }); } sortBy($data, 'id'); print_r($data); sortBy($data, 'user.rating.top'); print_r($data); sortBy($data, 'user.rating.avg'); print_r($data);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Array ( [0] => Array ( [id] => 1 [user] => Array ( [rating] => Array ( [top] => 50 [avg] => 30 ) ) ) [1] => Array ( [id] => 2 [user] => Array ( [rating] => Array ( [top] => 60 [avg] => 10 ) ) ) [2] => Array ( [id] => 3 [user] => Array ( [rating] => Array ( [top] => 25 [avg] => 12 ) ) ) [3] => Array ( [id] => 4 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 20 ) ) ) [4] => Array ( [id] => 5 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 5 ) ) ) ) Array ( [0] => Array ( [id] => 3 [user] => Array ( [rating] => Array ( [top] => 25 [avg] => 12 ) ) ) [1] => Array ( [id] => 4 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 20 ) ) ) [2] => Array ( [id] => 5 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 5 ) ) ) [3] => Array ( [id] => 1 [user] => Array ( [rating] => Array ( [top] => 50 [avg] => 30 ) ) ) [4] => Array ( [id] => 2 [user] => Array ( [rating] => Array ( [top] => 60 [avg] => 10 ) ) ) ) Array ( [0] => Array ( [id] => 5 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 5 ) ) ) [1] => Array ( [id] => 2 [user] => Array ( [rating] => Array ( [top] => 60 [avg] => 10 ) ) ) [2] => Array ( [id] => 3 [user] => Array ( [rating] => Array ( [top] => 25 [avg] => 12 ) ) ) [3] => Array ( [id] => 4 [user] => Array ( [rating] => Array ( [top] => 30 [avg] => 20 ) ) ) [4] => Array ( [id] => 1 [user] => Array ( [rating] => Array ( [top] => 50 [avg] => 30 ) ) ) )
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '>' in /in/UciGc on line 29
Process exited with code 255.

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