3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "a"; echo $b = "$a"+1; typeof($b);
Output for 7.1.0
Warning: A non-numeric value encountered in /in/AMu5a on line 3 1 Fatal error: Uncaught Error: Call to undefined function typeof() in /in/AMu5a:3 Stack trace: #0 {main} thrown in /in/AMu5a on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.14
1 Fatal error: Uncaught Error: Call to undefined function typeof() in /in/AMu5a:3 Stack trace: #0 {main} thrown in /in/AMu5a on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28
1 Fatal error: Call to undefined function typeof() in /in/AMu5a on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
1 Fatal error: Call to undefined function: typeof() in /in/AMu5a on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
1 Fatal error: Call to undefined function: typeof() in /in/AMu5a on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
1 Fatal error: Call to undefined function: typeof() in /in/AMu5a on line 3