3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $var1="there"; echo "hello "+ $var1; ?>
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/pkt1M on line 4 Warning: A non-numeric value encountered in /in/pkt1M on line 4 0
Output for 4.3.0 - 7.0.20
0