<?php
// $a = array("1"=>2,"2"=>8,"3"=>9,"4"=>8,"5"=>6,"6"=>7,"7"=>9,"8"=>2); // used short array notation (see references) and removed keys (since not used)
$numbers = [2,8,9,8,6,7,9,2,95890814984141]; // the last number is for my pleasure :P
$numberFormatter = new NumberFormatter('en', NumberFormatter::SPELLOUT);
foreach ($numbers as $number) {
$numberSpelled = $numberFormatter->format($number);
$numberSpelledWithFirstCharUpper = ucfirst($numberSpelled);
echo $numberSpelledWithFirstCharUpper . ' - ' . $number . PHP_EOL;
}