Ticket #55699: 55699.3.diff

src/wp-includes/class-wp-query.php

@@ -2754 +2754 @@
                         }
                 }
 
-                $clauses = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
-
                 /*
                  * Apply post-paging filters on where and join. Only plugins that
                  * manipulate paging queries should use these hooks.
@@ -2835 +2833 @@
                          */
                         $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
 
+                        $clauses = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
+
                         /**
                          * Filters all query clauses at once, for convenience.
                          *
@@ -2967 +2967 @@
                          */
                         $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
 
+                        $clauses = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
+
                         /**
                          * Filters all query clauses at once, for convenience.
                          *
@@ -2990 +2992 @@
                          * }
                          * @param WP_Query $query  The WP_Query instance (passed by reference).
                          */
-                        $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( $clauses, &$this ) );
+                        $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $clauses ), &$this ) );
 
                         $where    = isset( $clauses['where'] ) ? $clauses['where'] : '';
                         $groupby  = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';

tests/phpunit/tests/query.php

@@ -719 +719 @@
                 $this->assertInstanceOf( 'WP_User', get_queried_object() );
                 $this->assertSame( get_queried_object_id(), $user_id );
         }
+
+        /**
+         * Tests that the `posts_clauses_request` filter receives an array of clauses
+         * with the other `posts_*_request` filters applied, e.g. `posts_join_request`.
+         *
+         * @ticket 55699
+         * @covers WP_Query::get_posts
+         */
+        public function test_posts_clauses_request_filter_should_receive_filtered_clauses() {
+                add_filter(
+                        'posts_join_request',
+                        static function() {
+                                return '/* posts_join_request */';
+                        }
+                );
+
+                $filter = new MockAction();
+                add_filter( 'posts_clauses_request', array( $filter, 'filter' ), 10, 2 );
+                $this->go_to( '/' );
+                $filter_args           = $filter->get_args();
+                $posts_clauses_request = $filter_args[0][0];
+
+                $this->assertArrayHasKey( 'join', $posts_clauses_request );
+                $this->assertSame( '/* posts_join_request */', $posts_clauses_request['join'] );
+        }
 }