- Output for 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
- Fatal error: Uncaught Error: foo(): Argument #1 ($a) could not be passed by reference in /in/8hVVK:6
Stack trace:
#0 {main}
thrown in /in/8hVVK on line 6
Process exited with code 255. - Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27
- Fatal error: Uncaught Error: foo(): Argument #1 ($a) cannot be passed by reference in /in/8hVVK:6
Stack trace:
#0 {main}
thrown in /in/8hVVK on line 6
Process exited with code 255. - Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- Notice: Only variables should be passed by reference in /in/8hVVK on line 6