FormInterface

interface FormInterface implements Iterator, FormInterface

Methods

FormInterface setParent(FormInterface $parent = null)

Sets the parent form.

from FormInterface
FormInterface|null getParent()

Returns the parent form.

from FormInterface
FormInterface add(FormInterface|string|int $child, string|null $type = null, array $options = array())

Adds or replaces a child to the form.

from FormInterface
FormInterface get(string $name)

Returns the child with the given name.

from FormInterface
bool has(string $name)

Returns whether a child with the given name exists.

from FormInterface
FormInterface remove(string $name)

Removes a child from the form.

from FormInterface
FormInterface[] all()

Returns all children in this group.

from FormInterface
FormErrorIterator getErrors(bool $deep = false, bool $flatten = true)

Returns the errors of this form.

from FormInterface
FormInterface setData(mixed $modelData)

Updates the form with default data.

from FormInterface
mixed getData()

Returns the data in the format needed for the underlying object.

from FormInterface
mixed getNormData()

Returns the normalized data of the field.

from FormInterface
mixed getViewData()

Returns the data transformed by the value transformer.

from FormInterface
array getExtraData()

Returns the extra data.

from FormInterface
FormConfigInterface getConfig()

Returns the form's configuration.

from FormInterface
bool isSubmitted()

Returns whether the form is submitted.

from FormInterface
string getName()

Returns the name by which the form is identified in forms.

from FormInterface
PropertyPathInterface getPropertyPath()

Returns the property path that the form is mapped to.

from FormInterface
FormInterface addError(FormError $error)

Adds an error to this form.

from FormInterface
bool isValid()

Returns whether the form and all children are valid.

from FormInterface
bool isRequired()

Returns whether the form is required to be filled out.

from FormInterface
bool isDisabled()

Returns whether this form is disabled.

from FormInterface
bool isEmpty()

Returns whether the form is empty.

from FormInterface
bool isSynchronized()

Returns whether the data in the different formats is synchronized.

from FormInterface
TransformationFailedException|null getTransformationFailure()

Returns the data transformation failure, if any.

from FormInterface
FormInterface initialize()

Initializes the form tree.

from FormInterface
FormInterface handleRequest(mixed $request = null)

Inspects the given request and calls {@link submit()} if the form was submitted.

from FormInterface
FormInterface submit(null|string|array $submittedData, bool $clearMissing = true)

Submits data to the form, transforms and validates it.

from FormInterface
FormInterface getRoot()

Returns the root of the form tree.

from FormInterface
bool isRoot()

Returns whether the field is the root of the form tree.

from FormInterface
FormView createView(FormView $parent = null)

Creates a view.

from FormInterface

Details

FormInterface setParent(FormInterface $parent = null)

Sets the parent form.

Parameters

FormInterface $parent The parent form or null if it's the root.

Return Value

FormInterface The form instance

Exceptions

AlreadySubmittedException If the form has already been submitted.
LogicException When trying to set a parent for a form with an empty name.

FormInterface|null getParent()

Returns the parent form.

Return Value

FormInterface|null The parent form or null if there is none.

FormInterface add(FormInterface|string|int $child, string|null $type = null, array $options = array())

Adds or replaces a child to the form.

Parameters

FormInterface|string|int $child The FormInterface instance or the name of the child.
string|null $type The child's type, if a name was passed.
array $options The child's options, if a name was passed.

Return Value

FormInterface The form instance

Exceptions

AlreadySubmittedException If the form has already been submitted.
LogicException When trying to add a child to a non-compound form.
UnexpectedTypeException If $child or $type has an unexpected type.

FormInterface get(string $name)

Returns the child with the given name.

Parameters

string $name The name of the child

Return Value

FormInterface The child form

Exceptions

OutOfBoundsException If the named child does not exist.

bool has(string $name)

Returns whether a child with the given name exists.

Parameters

string $name The name of the child

Return Value

bool

FormInterface remove(string $name)

Removes a child from the form.

Parameters

string $name The name of the child to remove

Return Value

FormInterface The form instance

Exceptions

AlreadySubmittedException If the form has already been submitted.

FormInterface[] all()

Returns all children in this group.

Return Value

FormInterface[] An array of FormInterface instances

FormErrorIterator getErrors(bool $deep = false, bool $flatten = true)

Returns the errors of this form.

Parameters

bool $deep Whether to include errors of child forms as well
bool $flatten Whether to flatten the list of errors in case $deep is set to true

Return Value

FormErrorIterator An iterator over the {@link FormError} instances that where added to this form

FormInterface setData(mixed $modelData)

Updates the form with default data.

Parameters

mixed $modelData The data formatted as expected for the underlying object

Return Value

FormInterface The form instance

Exceptions

AlreadySubmittedException If the form has already been submitted.
LogicException If listeners try to call setData in a cycle. Or if the view data does not match the expected type according to {@link FormConfigInterface::getDataClass}.

mixed getData()

Returns the data in the format needed for the underlying object.

Return Value

mixed

mixed getNormData()

Returns the normalized data of the field.

Return Value

mixed When the field is not submitted, the default data is returned. When the field is submitted, the normalized submitted data is returned if the field is valid, null otherwise.

mixed getViewData()

Returns the data transformed by the value transformer.

Return Value

mixed

array getExtraData()

Returns the extra data.

Return Value

array The submitted data which do not belong to a child

FormConfigInterface getConfig()

Returns the form's configuration.

Return Value

FormConfigInterface The configuration.

bool isSubmitted()

Returns whether the form is submitted.

Return Value

bool true if the form is submitted, false otherwise

string getName()

Returns the name by which the form is identified in forms.

Return Value

string The name of the form.

PropertyPathInterface getPropertyPath()

Returns the property path that the form is mapped to.

Return Value

PropertyPathInterface The property path.

FormInterface addError(FormError $error)

Adds an error to this form.

Parameters

FormError $error

Return Value

FormInterface The form instance

bool isValid()

Returns whether the form and all children are valid.

If the form is not submitted, this method always returns false.

Return Value

bool

bool isRequired()

Returns whether the form is required to be filled out.

If the form has a parent and the parent is not required, this method will always return false. Otherwise the value set with setRequired() is returned.

Return Value

bool

bool isDisabled()

Returns whether this form is disabled.

The content of a disabled form is displayed, but not allowed to be modified. The validation of modified disabled forms should fail.

Forms whose parents are disabled are considered disabled regardless of their own state.

Return Value

bool

bool isEmpty()

Returns whether the form is empty.

Return Value

bool

bool isSynchronized()

Returns whether the data in the different formats is synchronized.

If the data is not synchronized, you can get the transformation failure by calling {@link getTransformationFailure()}.

Return Value

bool

TransformationFailedException|null getTransformationFailure()

Returns the data transformation failure, if any.

Return Value

TransformationFailedException|null The transformation failure

FormInterface initialize()

Initializes the form tree.

Should be called on the root form after constructing the tree.

Return Value

FormInterface The form instance.

FormInterface handleRequest(mixed $request = null)

Inspects the given request and calls {@link submit()} if the form was submitted.

Internally, the request is forwarded to the configured {@link RequestHandlerInterface} instance, which determines whether to submit the form or not.

Parameters

mixed $request The request to handle.

Return Value

FormInterface The form instance.

FormInterface submit(null|string|array $submittedData, bool $clearMissing = true)

Submits data to the form, transforms and validates it.

Parameters

null|string|array $submittedData The submitted data.
bool $clearMissing Whether to set fields to NULL when they are missing in the submitted data.

Return Value

FormInterface The form instance

Exceptions

AlreadySubmittedException If the form has already been submitted.

FormInterface getRoot()

Returns the root of the form tree.

Return Value

FormInterface The root of the tree

bool isRoot()

Returns whether the field is the root of the form tree.

Return Value

bool

FormView createView(FormView $parent = null)

Creates a view.

Parameters

FormView $parent The parent view

Return Value

FormView The view

© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/4.0/Symfony/Component/Form/Test/FormInterface.html