Warning: Constant true already defined in /in/3MC3F on line 3
Warning: Constant false already defined in /in/3MC3F on line 4
bool(true)
bool(false)
bool(true)
bool(false)
Notice: Constant true already defined in /in/3MC3F on line 3
Notice: Constant false already defined in /in/3MC3F on line 4
bool(true)
bool(false)
bool(true)
bool(false)