3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php ob_start(); for ($i = 0; $i<10; $i++){ echo "<br> Line to show.\n"; ob_flush(); flush(); } var_dump(ob_get_status()); echo "Done."; ob_end_flush();
Output for 5.4.4 - 5.6.28, 7.0.0 - 7.1.0
<br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. array(7) { ["name"]=> string(22) "default output handler" ["type"]=> int(0) ["flags"]=> int(20592) ["level"]=> int(0) ["chunk_size"]=> int(0) ["buffer_size"]=> int(16384) ["buffer_used"]=> int(0) } Done.
Output for hhvm-3.10.0 - 3.12.0
<br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. array(5) { ["name"]=> string(22) "default output handler" ["type"]=> int(0) ["level"]=> int(0) ["chunk_size"]=> int(0) ["buffer_used"]=> int(0) } Done.
Output for 5.4.0 - 5.4.3
<br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. array(7) { ["name"]=> string(22) "default output handler" ["type"]=> int(0) ["flags"]=> int(4208) ["level"]=> int(0) ["chunk_size"]=> int(0) ["buffer_size"]=> int(16384) ["buffer_used"]=> int(0) } Done.
Output for 4.3.0 - 5.3.29
<br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. <br> Line to show. array(5) { ["level"]=> int(1) ["type"]=> int(1) ["status"]=> int(1) ["name"]=> string(22) "default output handler" ["del"]=> bool(true) } Done.