setLongitude() public method

Non-numeric values will result in an exception. Example: $point->setLongitude(-83.732124);
public setLongitude ( float | integer $longitude ) : GeoPoint
$longitude float | integer The new longitude value
return GeoPoint
 /**
  * @expectedException InvalidArgumentException
  */
 public function testInvalidTypeLongitude()
 {
     $point = new GeoPoint(1.1, 2.2);
     $point->setLongitude('bar');
 }