Loop associative array through for loop

<?php

$city = [ "Dhaka" , "Dinajpur" , "Rangpur"];

for($i=0; $i<count($city); $i++){  // count($city) will count the elements under the city array condition look like (0<3)
   echo "{$city[$i]}<br />\n"; //when $i == 0 it will be act like $city[0], when $i == 1 it will be act like $city[1]
}

 ?>