Warning: foo(): Argument #1 ($e) must be passed by reference, value given in /in/o348l on line 5
int(2)
Warning: foo(): Argument #1 ($e) must be passed by reference, value given in /in/o348l on line 7
int(2)
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/o348l on line 5
int(2)
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/o348l on line 7
int(2)
Output for 7.0.0 - 7.0.20
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/o348l on line 5
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/o348l on line 7