@@ -197,45 +197,47 @@ protected function get_allowed_html(): array {
197197
198198 $ form_tags = array (
199199 'input ' => array (
200- 'type ' => true ,
201- 'name ' => true ,
202- 'id ' => true ,
203- 'value ' => true ,
204- 'class ' => true ,
205- 'style ' => true ,
206- 'checked ' => true ,
207- 'disabled ' => true ,
208- 'readonly ' => true ,
209- 'required ' => true ,
210- 'placeholder ' => true ,
211- 'size ' => true ,
212- 'min ' => true ,
213- 'max ' => true ,
214- 'step ' => true ,
215- 'multiple ' => true ,
216- 'autocomplete ' => true ,
200+ 'type ' => true ,
201+ 'name ' => true ,
202+ 'id ' => true ,
203+ 'value ' => true ,
204+ 'class ' => true ,
205+ 'style ' => true ,
206+ 'checked ' => true ,
207+ 'disabled ' => true ,
208+ 'readonly ' => true ,
209+ 'required ' => true ,
210+ 'placeholder ' => true ,
211+ 'size ' => true ,
212+ 'min ' => true ,
213+ 'max ' => true ,
214+ 'step ' => true ,
215+ 'multiple ' => true ,
216+ 'autocomplete ' => true ,
217217 // Tom Select data attributes (built-in Settings API feature).
218- 'data-wp-prefix ' => true ,
219- 'data-wp-action ' => true ,
220- 'data-wp-nonce ' => true ,
221- 'data-wp-endpoint ' => true ,
222- 'data-ts-config ' => true ,
218+ 'data-wp-prefix ' => true ,
219+ 'data-wp-action ' => true ,
220+ 'data-wp-nonce ' => true ,
221+ 'data-wp-endpoint ' => true ,
222+ 'data-ts-config ' => true ,
223+ 'data-wp-extra-fields ' => true ,
223224 ),
224225 'select ' => array (
225- 'id ' => true ,
226- 'name ' => true ,
227- 'class ' => true ,
228- 'style ' => true ,
229- 'disabled ' => true ,
230- 'multiple ' => true ,
231- 'size ' => true ,
232- 'autocomplete ' => true ,
226+ 'id ' => true ,
227+ 'name ' => true ,
228+ 'class ' => true ,
229+ 'style ' => true ,
230+ 'disabled ' => true ,
231+ 'multiple ' => true ,
232+ 'size ' => true ,
233+ 'autocomplete ' => true ,
233234 // Tom Select data attributes (built-in Settings API feature).
234- 'data-wp-prefix ' => true ,
235- 'data-wp-action ' => true ,
236- 'data-wp-nonce ' => true ,
237- 'data-wp-endpoint ' => true ,
238- 'data-ts-config ' => true ,
235+ 'data-wp-prefix ' => true ,
236+ 'data-wp-action ' => true ,
237+ 'data-wp-nonce ' => true ,
238+ 'data-wp-endpoint ' => true ,
239+ 'data-ts-config ' => true ,
240+ 'data-wp-extra-fields ' => true ,
239241 ),
240242 'option ' => array (
241243 'value ' => true ,
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