SPL Debug: [0:0] Hello World!
SPL Debug: debug '[0:$i] Hello World!'; => 0
SPL Debug: [1:1] Hello World!
SPL Debug: debug '[1:$i] Hello World!'; => 0
SPL Debug: [2:2] Hello World!
SPL Debug: debug '[2:$i] Hello World!'; => 0
SPL Debug: [3:3] Hello World!
SPL Debug: debug '[3:$i] Hello World!'; => 0
SPL Debug: [4:4] Hello World!
SPL Debug: debug '[4:$i] Hello World!'; => 0
SPL Debug: [5:5] Hello World!
SPL Debug: debug '[5:$i] Hello World!'; => 0
SPL Debug: [6:6] Hello World!
SPL Debug: debug '[6:$i] Hello World!'; => 0
SPL Debug: [7:7] Hello World!
SPL Debug: debug '[7:$i] Hello World!'; => 0
SPL Debug: [8:8] Hello World!
SPL Debug: debug '[8:$i] Hello World!'; => 0
SPL Debug: [9:9] Hello World!
SPL Debug: debug '[9:$i] Hello World!'; => 0
SPL Compiler Error: near line 1, char 8 in eval: syntax error
>> debug "Eval with missing ';' at the end.
          ^
SPL Debug: Eval returned -1.