3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2014-09-23T00:35:27Z

<?php
ob_start(function ($s) { return 'ob: ' . $s; }, 2);

for ($i = 1; $i <= 5; $i++) {
        echo $i . "\n";
        sleep(1);
}

Output
Performance
VLD
References
Branches

ob_start: documentation ( source)
sleep: documentation ( source)

preferences:dark modelive preview

43.92 ms | 402 KiB | 5 Q