php array sort by value keep keys code example

Example 1: php rsort retain keys

//Sort an array in reverse order and maintain index association
arsort($myArray)

Example 2: php sort array remove keys

$arr = array(1, 2, 3);
unset($arr[0]);
$arr = array_values($arr);

print_r($arr);
//Array ( [0] => 2 [1] => 3 )