string(0) ""
string(0) ""
string(0) ""
string(0) ""
Deprecated: Increment on non-alphanumeric string is deprecated in /in/bjvOj on line 5
Deprecated: Increment on non-alphanumeric string is deprecated in /in/bjvOj on line 5
Deprecated: Decrement on empty string is deprecated as non-numeric in /in/bjvOj on line 5
Deprecated: Decrement on empty string is deprecated as non-numeric in /in/bjvOj on line 5
string(0) ""
string(1) "1"
string(0) ""
int(-1)
string(1) "1"
string(1) "1"
int(-1)
int(-1)