---
title: "CGPDFArrayGetNull(_:_:)"
framework: coregraphics
role: symbol
role_heading: Function
path: "coregraphics/cgpdfarraygetnull(_:_:)"
---

# CGPDFArrayGetNull(_:_:)

Returns whether an object at a given index in a Quartz PDF array is a PDF null.

## Declaration

```swift
func CGPDFArrayGetNull(_ array: CGPDFArrayRef, _ index: Int) -> Bool
```

## Parameters

- `array`: A PDF array. If this parameter is not a valid PDF array, the behavior is undefined.
- `index`: The index of the value to retrieve. If the index is outside the index space of the array (0 to N-1, where N is the count of the array), the behavior is undefined.

## Return Value

Return Value Returns true if there is a PDF null at the specified index, otherwise false.

## See Also

### Getting Data from a PDF Array

- [CGPDFArrayGetArray(_:_:_:)](coregraphics/cgpdfarraygetarray(_:_:_:).md)
- [CGPDFArrayGetBoolean(_:_:_:)](coregraphics/cgpdfarraygetboolean(_:_:_:).md)
- [CGPDFArrayGetCount(_:)](coregraphics/cgpdfarraygetcount(_:).md)
- [CGPDFArrayGetDictionary(_:_:_:)](coregraphics/cgpdfarraygetdictionary(_:_:_:).md)
- [CGPDFArrayGetInteger(_:_:_:)](coregraphics/cgpdfarraygetinteger(_:_:_:).md)
- [CGPDFArrayGetName(_:_:_:)](coregraphics/cgpdfarraygetname(_:_:_:).md)
- [CGPDFArrayGetNumber(_:_:_:)](coregraphics/cgpdfarraygetnumber(_:_:_:).md)
- [CGPDFArrayGetObject(_:_:_:)](coregraphics/cgpdfarraygetobject(_:_:_:).md)
- [CGPDFArrayGetStream(_:_:_:)](coregraphics/cgpdfarraygetstream(_:_:_:).md)
- [CGPDFArrayGetString(_:_:_:)](coregraphics/cgpdfarraygetstring(_:_:_:).md)