3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hello = 0; while($hello<5) { echo 'Hello World '+'<br>'; $hello+=1; } echo 'Goodbye World';?>
Output for 7.1.0
Warning: A non-numeric value encountered in /in/O2HRN on line 4 Warning: A non-numeric value encountered in /in/O2HRN on line 4 0 Warning: A non-numeric value encountered in /in/O2HRN on line 4 Warning: A non-numeric value encountered in /in/O2HRN on line 4 0 Warning: A non-numeric value encountered in /in/O2HRN on line 4 Warning: A non-numeric value encountered in /in/O2HRN on line 4 0 Warning: A non-numeric value encountered in /in/O2HRN on line 4 Warning: A non-numeric value encountered in /in/O2HRN on line 4 0 Warning: A non-numeric value encountered in /in/O2HRN on line 4 Warning: A non-numeric value encountered in /in/O2HRN on line 4 0Goodbye World
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
00000Goodbye World