Laravel Collection - iteration

$words = Collection::make(['apple', 'pear', 'melon', 'cherry']);
foreach ($words as $word) {
    echo $word . "<br>";
}

$words->each(function ($word) {
    echo $word . "<br>";
    if ($word == 'melon') {
        return false; //dinnyéig elég kiírni
    }
});

$students = Collection::make([['Géza', 15, '4/E'], ['Ferenc', 16, '5/A'], ['Gergő', 17, '6/C']]);
$students->eachSpread(function ($name, $age, $class) {
    echo "$name $age éves és a(z) $class osztályba jár.<br>";
});