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Documentation » Admin

Select2 ======= The admin comes with `select2 `_ integration since version 2.2.6. Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results. The select2 is enabled on all ``select`` form elements by default. Disable select2 --------------- If you don't want to use select2 in your admin, you can disable it in configuration. .. configuration-block:: .. code-block:: yaml # config/packages/sonata_admin.yaml sonata_admin: options: use_select2: false # disable select2 .. note:: If you disable select2, autocomplete form types will stop working. Disable select2 on some form elements ------------------------------------- To disable select2 on some ``select`` form element, set data attribute ``data-sonata-select2 = "false"`` to this form element:: use Sonata\AdminBundle\Form\Type\ModelType; protected function configureFormFields(FormMapper $formMapper) { $formMapper ->add('category', ModelType::class, [ 'attr' => [ 'data-sonata-select2' => 'false' ] ]) ; } .. note:: You have to use false as string! ``"false"``! AllowClear ---------- Select2 parameter ``allowClear`` is handled automatically by admin. But if you want to overload the default functionality, you can set data attribute ``data-sonata-select2-allow-clear="true"`` to enable ``allowClear`` or ``data-sonata-select2-allow-clear = "false"`` to disable the ``allowClear`` parameter:: use Sonata\AdminBundle\Form\Type\ModelType; protected function configureFormFields(FormMapper $formMapper) { $formMapper ->add('category', ModelType::class, [ 'attr' => [ 'data-sonata-select2-allow-clear' => 'false' ] ]) ; } .. note:: You have to use false as string! ``"false"``!

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