Ticket #34597: 34597.0.diff

src/wp-includes/class-wp-customize-manager.php

@@ -985 +985 @@
                 if ( $id instanceof WP_Customize_Setting ) {
                         $setting = $id;
                 } else {
-                        $setting = new WP_Customize_Setting( $this, $id, $args );
+                        $class = 'WP_Customize_Setting';
+
+                        /** This filter is documented in wp-includes/class-wp-customize-manager.php */
+                        $args = apply_filters( 'customize_dynamic_setting_args', $args, $id );
+
+                        /** This filter is documented in wp-includes/class-wp-customize-manager.php */
+                        $class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args );
+
+                        $setting = new $class( $this, $id, $args );
                 }
                 $this->settings[ $setting->id ] = $setting;
         }