3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); for ($i = 0; $i<10; $i++){ echo "<br> Line to show."; ob_flush(); flush(); sleep(1); } echo "Done."; ob_end_flush();
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.27, 5.4.0 - 5.4.22, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<br> Line to show.<br> Line to show.<br> Line to show.
Process exited with code 137.
preferences:
173.88 ms | 405 KiB | 233 Q