__('Code mode'), 'name' => 'acfe_textarea_code', 'key' => 'acfe_textarea_code', 'instructions' => __('Switch font family to monospace and allow tab indent. For a more advanced code editor, please use the Code Editor field type'), 'type' => 'true_false', 'ui' => 1, )); } // Field wrapper add_filter('acfe/field_wrapper_attributes/type=textarea', 'acfe_field_textarea_wrapper', 10, 2); function acfe_field_textarea_wrapper($wrapper, $field){ if(acf_maybe_get($field, 'acfe_textarea_code')){ $wrapper['data-acfe-textarea-code'] = 1; } return $wrapper; } add_filter('acf/prepare_field/name=new_lines', 'acfe_field_textarea_new_lines'); function acfe_field_textarea_new_lines($field){ $field['conditional_logic'] = array( array( array( 'field' => 'acfe_textarea_code', 'operator' => '!=', 'value' => '1' ) ) ); return $field; }