Ticket #6789: 6789.01.diff

src/bp-xprofile/classes/class-bp-xprofile-field-type-checkbox.php

@@ -28 +28 @@
                 $this->category = _x( 'Multi Fields', 'xprofile field type category', 'buddypress' );
                 $this->name     = _x( 'Checkboxes', 'xprofile field type', 'buddypress' );
 
+                $this->supports_multiple_values   = true;
                 $this->supports_multiple_defaults = true;
                 $this->accepts_null_value         = true;
                 $this->supports_options           = true;

src/bp-xprofile/classes/class-bp-xprofile-field-type-multiselectbox.php

@@ -28 +28 @@
                 $this->category = _x( 'Multi Fields', 'xprofile field type category', 'buddypress' );
                 $this->name     = _x( 'Multi Select Box', 'xprofile field type', 'buddypress' );
 
+                $this->supports_multiple_values   = true;
                 $this->supports_multiple_defaults = true;
                 $this->accepts_null_value         = true;
                 $this->supports_options           = true;

src/bp-xprofile/classes/class-bp-xprofile-field-type.php

@@ -66 +66 @@
         public $supports_options = false;
 
         /**
+         * If allowed to store multiple values.
+         *
+         * @since 2.9.0
+         * @var bool Does this field support multiple values? e.g. multiselectbox, checkbox.
+         */
+        public $supports_multiple_values = false;
+
+        /**
          * If allowed to support multiple options as default.
          *
          * @since 2.0.0