Ticket #41797: 41797.2.patch

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

@@ -40 +40 @@
          */
         private $total_users = 0;
 
+        /**
+         * The number of pages.
+         *
+         * @since 4.9.0
+         * @var int
+         */
+        public $max_num_pages = 0;
+
         /**
          * Metadata query container.
          *
@@ -608 +616 @@
                 if ( isset( $qv['count_total'] ) && $qv['count_total'] )
                         $this->total_users = (int) $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) );
 
+                if( $this->total_users && isset( $qv['number'] ) && $qv['number'] > 0 ) {
+                        $this->max_num_pages = ceil( $this->total_users / $qv['number'] );
+                }
+
                 if ( !$this->results )
                         return;
 

tests/phpunit/tests/user/query.php

@@ -1434 +1434 @@
                 /* must not include user that has same string in other fields */
                 $this->assertEquals( array(), $ids );
         }
+
+        /**
+         * @ticket 41797
+         */
+        public function test_max_num_pages() {
+
+                $q = new WP_User_Query( array(
+                        'role'          => 'author',
+                        'number'        => 3,
+                ) );
+
+                $this->assertEquals( 4, $q->get_total() );
+                $this->assertEquals( 2, $q->max_num_pages );
+        }
+
+        /**
+         * @ticket 41797
+         */
+        public function test_max_num_pages_should_be_zero_for_count_total_false_and_number_positive() {
+
+                $q = new WP_User_Query( array(
+                        'count_total'   => false,
+                        'number'        => 1,
+        
+                ) );
+
+                $this->assertEquals( 0, $q->max_num_pages );
+        }
+
+        /**
+         * @ticket 41797
+         */
+        public function test_max_num_pages_should_be_zero_for_count_total_true_and_no_number_set() {
+
+                $q = new WP_User_Query( array(
+                        'count_total'   => true,
+                ) );
+
+                $this->assertEquals( 0, $q->max_num_pages );
+        }
+
+
+
 }