While Loop In Fibonacci

While Loop - Fibonacci

<?php
/**
 * Created by PhpStorm.
 * User: Mahe
 * Date: 17-Jul-19
 * Time: 11:54 PM
 */

function fibonacci ($number){
  static  $oldValueStore = 0;  // store as static var because the value of this var won't change
  static  $newValueStore = 1;
 
    $counter = 0 ;

    while ($counter < $number){
       echo " ".$oldValueStore;
       $_temporary = $oldValueStore + $newValueStore;
       $oldValueStore = $newValueStore;
       $newValueStore = $_temporary;
       $counter++;
    }
} $number = 6;    // Input 
fibonacci($number);