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<?php $arr = [ 1,3,1,8,9,7,6,4 ]; print_r($arr); uasort($arr, function($a, $b){ return abs(3-$a) - abs(3-$b); }); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 3 [2] => 1 [3] => 8 [4] => 9 [5] => 7 [6] => 6 [7] => 4 ) Array ( [1] => 3 [7] => 4 [0] => 1 [2] => 1 [6] => 6 [5] => 7 [3] => 8 [4] => 9 )

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