In PHP, how do you change the key of an array element?

Question

I have an associative array in the form key => value where key is a numerical value, however it is not a sequential numerical value. The key is actually an I

Answer 1

this code will help to change the oldkey to new one

$i = 0;
$keys_array=array("0"=>"one","1"=>"two");

$keys = array_keys($keys_array);

for($i=0;$i

display like

$keys_array=array("one"=>"one","two"=>"two");