3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function init() { function foo() { echo "bar\n"; } } foo();
based on gnvip
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function foo() in /in/4pYOS:11 Stack trace: #0 {main} thrown in /in/4pYOS on line 11
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function foo() in /in/4pYOS on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: foo() in /in/4pYOS on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: foo() in /in/4pYOS on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: foo() in /in/4pYOS on line 11