char(c)
bool(TRUE)
char()
bool(TRUE)
float(4)
bool(TRUE)
float(56.3)
bool(TRUE)
object()
bool(TRUE)
object(Program) {
 ['test'] =>
  int(7)
 }
bool(TRUE)
string(11 'sample text')
bool(TRUE)
string(0 '')
bool(TRUE)
void(NULL)
bool(TRUE)
void(NULL)
bool(TRUE)