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

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