tweak: php 8.1 support (#456)

Author: Greg Bowler

composer.lock

@@ -28,12 +28,12 @@ class Node extends DOMNode {
 	const TYPE_ENTITY_DECL = XML_ENTITY_DECL_NODE;
 	const TYPE_NAMESPACE_DECL = XML_NAMESPACE_DECL_NODE;
 
-	public const int DOCUMENT_POSITION_DISCONNECTED = 0b000001;
-	public const int DOCUMENT_POSITION_PRECEDING = 0b000010;
-	public const int DOCUMENT_POSITION_FOLLOWING = 0b000100;
-	public const int DOCUMENT_POSITION_CONTAINS = 0b001000;
-	public const int DOCUMENT_POSITION_CONTAINED_BY = 0b010000;
-	public const int DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0b100000;
+	public const DOCUMENT_POSITION_DISCONNECTED = 0b000001;
+	public const DOCUMENT_POSITION_PRECEDING = 0b000010;
+	public const DOCUMENT_POSITION_FOLLOWING = 0b000100;
+	public const DOCUMENT_POSITION_CONTAINS = 0b001000;
+	public const DOCUMENT_POSITION_CONTAINED_BY = 0b010000;
+	public const DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0b100000;
 
 	private function __construct() {}
 }