Close #190

Author: neomerx

README.md

@@ -17,7 +17,7 @@ This framework agnostic package implements [JSON API](http://jsonapi.org/) speci
 * Compound documents with inclusion of related resources (circular resource references supported)
 * Meta information for document, resources, errors, relationship and link objects
 * Parsing HTTP `Accept` and `Content-Type` headers in accordance with [RFC 7231](https://tools.ietf.org/html/rfc7231)
-* Parsing parameters for pagination, sorting and filtering
+* Parsing HTTP query parameters (e.g. pagination, sorting and etc)
 * Sparse fieldsets and customized included paths
 * Errors
 
@@ -108,7 +108,7 @@ A sample program with encoding of multiple, nested, filtered objects and more is
 
 ## Versions
 
-Current version is 2.x (PHP 7.1+) for older PHP versions (PHP 5.5 - 7.0, HHVM) please use version 1.x.
+Current version is 2.x (PHP 7.1+) for older PHP (PHP 5.5 - 7.0, HHVM) please use version 1.x.
 
 ## Questions?
 

src/Contracts/Http/Query/BaseQueryParserInterface.php

@@ -30,6 +30,12 @@ interface BaseQueryParserInterface
     /** Parameter name */
     public const PARAM_SORT = 'sort';
 
+    /** Parameter name */
+    public const PARAM_PAGE = 'page';
+
+    /** Parameter name */
+    public const PARAM_FILTER = 'filter';
+
     /**
      * @return iterable
      */