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<?php $data = array( array("id"=>3, "name"=>"peter"), array("id"=>1, "name"=>"steve"), array("id"=>5, "name"=>"damian"), array("id"=>9, "name"=>"ethan") ); $c = function($attribute) { return function($a, $b) { return 0; }; }; usort($data, $c("id")); print_r($data);

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