<?php
function getRange ($max = 10) {
    for ($i = 1; $i < $max; $i++) {
        $injected = yield $i;

        if ($injected === 'stop') return;

    }

}
$generator = getRange(PHP_INT_MAX);

foreach ($generator as $range) {
    if ($range === 10000) {
        $generator->send('stop');

    }

    echo "Dataset {$range} <br>";

}