The Abstract "field" Type
The Abstract "field" Type¶
field form type is not an actual field type you use, but rather
functions as the parent field type for many other fields.
field type predefines a couple of options:
type: mixed default: Defaults to field of the underlying object (if there is one)
When you create a form, each field initially displays the value of the corresponding property of the form's domain object (if an object is bound to the form). If you want to override the initial value for the form or just an individual field, you can set it in the data option:
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$builder->add('token', 'hidden', array( 'data' => 'abcdef', ));
If true, an HTML5 required attribute will be rendered. The corresponding
label will also render with a
This is superficial and independent from validation. At best, if you let Symfony guess your field type, then the value of this option will be guessed from your validation information.
If you don't want a user to modify the value of a field, you can set the disabled option to true. Any submitted value will be ignored.
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use Symfony\Component\Form\TextField $field = new TextField('status', array( 'data' => 'Old data', 'disabled' => true, )); $field->submit('New data'); // prints "Old data" echo $field->getData();
If true, the whitespace of the submitted string value will be stripped
trim() function when the data is bound. This guarantees that
if a value is submitted with extra whitespace, it will be removed before
the value is merged back onto the underlying object.
the field's value
Fields display a property value of the form's domain object by default. When the form is submitted, the submitted value is written back into the object.
If you want to override the property that a field reads from and writes to,
you can set the
property_path option. Its default value is the field's
If you wish the field to be ignored when reading or writing to the object
you can set the
property_path option to
type: array default: Empty array
If you want to add extra attributes to HTML field representation
you can use
attr option. It's an associative array with HTML attribute
as a key. This can be useful when you need to set a custom class for some widget:
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$builder->add('body', 'textarea', array( 'attr' => array('class' => 'tinymce'), ));
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.