Function GoPackedArray

types.go:168–212

EXPERIMENTAL: GoPackedArray converts a zend_array to a Go slice

(arr unsafe.Pointer)

// EXPERIMENTAL: GoPackedArray converts a zend_array to a Go slice
func GoPackedArray[T any](arr unsafe.Pointer) ([]T, error) {
	if arr == nil {
		return nil, errors.New("GoPackedArray received a nil value")
	}

	array := (*C.zend_array)(arr)

	if array == nil {
		return nil, fmt.Errorf("GoPackedArray received *zval that wasn't a HashTable")
	}

	nNumUsed := array.nNumUsed
	result := make([]T, 0, nNumUsed)

	if htIsPacked(array) {
		for i := C.uint32_t(0); i < nNumUsed; i++ {
			v := C.get_ht_packed_data(array, i)
			if v != nil && C.zval_get_type(v) != C.IS_UNDEF {
				v, err := goValue[T](v)
				if err != nil {
					return nil, err
				}

				result = append(result, v)
			}
		}

		return result, nil
	}

	// fallback if ht isn't packed - equivalent to array_values()
	for i := C.uint32_t(0); i < nNumUsed; i++ {
		bucket := C.get_ht_bucket_data(array, i)
		if bucket != nil && C.zval_get_type(&bucket.val) != C.IS_UNDEF {
			v, err := goValue[T](&bucket.val)
			if err != nil {
				return nil, err
			}

			result = append(result, v)
		}
	}

	return result, nil
}

// EXPERIMENTAL: PHPMap converts an unordered Go map to a zend_array
func PHPMap[T any](arr map[string]T) unsafe.Pointer {