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<?php $array = [ 'foo', 'foo', 'bar', 'foo', 'bar', 'foo', 'foo', 'bar' ]; $values = array_count_values($array); usort($array, function($a, $b) use ($values) {return $values[$b]-$values[$a];} ); var_dump($array);
Output for git.master, git.master_jit, rfc.property-hooks
array(8) { [0]=> string(3) "foo" [1]=> string(3) "foo" [2]=> string(3) "foo" [3]=> string(3) "foo" [4]=> string(3) "foo" [5]=> string(3) "bar" [6]=> string(3) "bar" [7]=> string(3) "bar" }

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