3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 123 + 123 ; echo "\n"; echo 0123 + 123 ; echo "\n"; echo "123" + 123 ; echo "\n"; echo "0123" + 123 ; echo "\n"; echo " 123" + 123 ; echo "\n"; echo "123 " + 123 ; echo "\n"; echo 123 + "123" ; echo "\n"; echo 123 + "0123" ; echo "\n"; echo 123 + " 123" ; echo "\n"; echo 123 + "123 "; echo "\n";
based on GGkDt
Output for 7.1.0
246 206 246 246 246 Notice: A non well formed numeric value encountered in /in/dfGOj on line 7 246 246 246 246 Notice: A non well formed numeric value encountered in /in/dfGOj on line 11 246
Output for 4.3.0 - 7.0.14
246 206 246 246 246 246 246 246 246 246