إنتاج القيم بالتدريج بإستخدام yield

<?php

function numbers(): Generator {
    for ($number = 1; $number <= 3; $number++) {
        yield $number;
    }
}
foreach (numbers() as $number) {
    echo $number, "
";
}

1
2
3

<?php

function scores(): Generator {
    yield "Osama" => 90;
    yield "Mona" => 95;
}
foreach (scores() as $name => $score) {
    echo "$name: $score
";
}

Osama: 90
Mona: 95