Merge pull request #13 from artonge/patch-1

Add handling for is-defined operator

Author: icewind1991

src/DAV/QueryParser.php

@@ -76,6 +76,7 @@ public function __construct() {
 			'{DAV:}contains'      => Operator::class,
 			'{DAV:}not'           => Operator::class,
 			'{DAV:}is-collection' => Operator::class,
+			'{DAV:}is-defined'    => Operator::class,
 			'{DAV:}limit'         => Limit::class,
 		];
 	}