3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 'a'; for($i = 0; $i < 100; $i++) echo ++$x + '\n';
based on IhAMH
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0 Warning: A non-numeric value encountered in /in/mQlsm on line 6 Warning: A non-numeric value encountered in /in/mQlsm on line 6 0
Output for 5.3.21 - 7.0.20
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000