@@ -136,7 +136,7 @@ discard block |
||
136 | 136 | * |
137 | 137 | * @param string $item The item to be added. |
138 | 138 | * |
139 | - * @return bool True if the append succeeded, False if not. |
|
139 | + * @return boolean|null True if the append succeeded, False if not. |
|
140 | 140 | */ |
141 | 141 | public function try_to_add_item( $item ) { |
142 | 142 | _deprecated_function( |
@@ -280,7 +280,7 @@ discard block |
||
280 | 280 | * @param DOMElement $parent (optional) an element to which new children should be added. |
281 | 281 | * @param DOMDocument $root (optional) the parent document. |
282 | 282 | * |
283 | - * @return string|DOMDocument The rendered XML string or an object if root element is specified. |
|
283 | + * @return null|DOMNode The rendered XML string or an object if root element is specified. |
|
284 | 284 | */ |
285 | 285 | protected function array_to_xml_string( $array, $parent = null, $root = null ) { |
286 | 286 | $return_string = false; |