Photo Reflective Sensor Setup ?!

Other Hardware Sensors
8 
int val0=0;
int irPin0 = A0;  // <- this needs to be the pin you want to read from
void setup()
{
  Serial.begin(9600);
}

void loop()
{
  val0 = analogRead(irPin0);

  Serial.print(val0);
  Serial.print("\n\r");
  delay(1500);
}