<?php
$ar = array("A" => "one", "B" => "two", "C" => "three");
foreach($ar as $a){
    echo "key: ".key($ar)." value: ".$a."n";
    $ignore = next($ar);//separate key advancement - undesirable
}
?>

$ar = array("A" => "one", "B" => "two", "C" => "three");
foreach ($ar as $key => $value) {
    print $key . ' => ' . $value . PHP_EOL;
}