<?php

$food = array(
        "salty food" => array(
            "snack" => array(
                0 => "Rufles",
                1 => "Generic"
                )
            )
        );

echo "My preferred ";
foreach ($food as $type1 => $value1) {
    echo $type1;
    echo " is the ";
    foreach ($value1 as $type2 => $value2) {
        echo "$type2 $value2[0]";
    }
}