array(2) {
[0]=>
string(3) "foo"
[1]=>
string(3) "bar"
}
Fatal error: Uncaught Error: array_walk(): Argument #1 ($array) could not be passed by reference in /in/IA9fV:7
Stack trace:
#0 {main}
thrown in /in/IA9fV on line 7
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
array(2) {
[0]=>
string(3) "foo"
[1]=>
string(3) "bar"
}
Fatal error: Uncaught Error: array_walk(): Argument #1 ($array) cannot be passed by reference in /in/IA9fV:7
Stack trace:
#0 {main}
thrown in /in/IA9fV on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Fatal error: Only variables can be passed by reference in /in/IA9fV on line 7
Process exited with code 255.