3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $bad_function = "echo"; $good_function = "printf"; $good_function('omg'); $bad_function('omg');
Output for 7.0.0 - 7.1.0
omg Fatal error: Uncaught Error: Call to undefined function echo() in /in/Dsdns:7 Stack trace: #0 {main} thrown in /in/Dsdns on line 7
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
omg Fatal error: Uncaught Error: Call to undefined function echo() in /in/Dsdns:7 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
omg Fatal error: Call to undefined function echo() in /in/Dsdns on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9
omg Fatal error: Call to undefined function: echo() in /in/Dsdns on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.4
omg Fatal error: Call to undefined function: echo() in /in/Dsdns on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
omg Fatal error: Call to undefined function: echo() in /in/Dsdns on line 7