Warning: Undefined variable $foo in /in/rkI6P on line 3
Warning: Trying to access array offset on null in /in/rkI6P on line 3
1 '' 2
Warning: Undefined variable $foo in /in/rkI6P on line 4
Warning: Trying to access array offset on null in /in/rkI6P on line 4
3 4
Warning: Undefined variable $foo in /in/rkI6P on line 3
Warning: Trying to access array offset on value of type null in /in/rkI6P on line 3
1 '' 2
Warning: Undefined variable $foo in /in/rkI6P on line 4
Warning: Trying to access array offset on value of type null in /in/rkI6P on line 4
3 4
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: foo in /in/rkI6P on line 3
Notice: Trying to access array offset on value of type null in /in/rkI6P on line 3
1 '' 2
Notice: Undefined variable: foo in /in/rkI6P on line 4
Notice: Trying to access array offset on value of type null in /in/rkI6P on line 4
3 4