LazyChoiceList deprecated
class LazyChoiceList implements ChoiceListInterface
deprecated
A choice list that is loaded lazily.
This list loads itself as soon as any of the getters is accessed for the first time. You should implement loadChoiceList() in your child classes, which should return a ChoiceListInterface instance.
Methods
| array | getChoices() Returns the list of choices. | |
| array | getValues() Returns the values for the choices. | |
| array | getPreferredViews() Returns the choice views of the preferred choices as nested array with the choice groups as top-level keys. | |
| array | getRemainingViews() Returns the choice views of the choices that are not preferred as nested array with the choice groups as top-level keys. | |
| array | getChoicesForValues(array $values) Returns the choices corresponding to the given values. | |
| array | getValuesForChoices(array $choices) Returns the values corresponding to the given choices. | |
| array | getIndicesForChoices(array $choices) deprecated Returns the indices corresponding to the given choices. | |
| array | getIndicesForValues(array $values) deprecated Returns the indices corresponding to the given values. |
Details
array getChoices()
Returns the list of choices.
Return Value
| array | The choices with their indices as keys |
array getValues()
Returns the values for the choices.
Return Value
| array | The values with the corresponding choice indices as keys |
array getPreferredViews()
Returns the choice views of the preferred choices as nested array with the choice groups as top-level keys.
Example:
Return Value
| array | A nested array containing the views with the corresponding choice indices as keys on the lowest levels and the choice group names in the keys of the higher levels |
array getRemainingViews()
Returns the choice views of the choices that are not preferred as nested array with the choice groups as top-level keys.
Example:
Return Value
| array | A nested array containing the views with the corresponding choice indices as keys on the lowest levels and the choice group names in the keys of the higher levels |
array getChoicesForValues(array $values)
Returns the choices corresponding to the given values.
The choices can have any data type.
The choices must be returned with the same keys and in the same order as the corresponding values in the given array.
Parameters
| array | $values | An array of choice values. Not existing values in this array are ignored |
Return Value
| array | An array of choices with ascending, 0-based numeric keys |
array getValuesForChoices(array $choices)
Returns the values corresponding to the given choices.
The values must be strings.
The values must be returned with the same keys and in the same order as the corresponding choices in the given array.
Parameters
| array | $choices | An array of choices. Not existing choices in this array are ignored |
Return Value
| array | An array of choice values with ascending, 0-based numeric keys |
array getIndicesForChoices(array $choices) deprecated
deprecated
Returns the indices corresponding to the given choices.
The indices must be positive integers or strings accepted by {@link \Symfony\Component\Form\FormConfigBuilder::validateName()}.
The index "placeholder" is internally reserved.
The indices must be returned with the same keys and in the same order as the corresponding choices in the given array.
Parameters
| array | $choices | An array of choices. Not existing choices in this array are ignored |
Return Value
| array | An array of indices with ascending, 0-based numeric keys |
array getIndicesForValues(array $values) deprecated
deprecated
Returns the indices corresponding to the given values.
The indices must be positive integers or strings accepted by {@link \Symfony\Component\Form\FormConfigBuilder::validateName()}.
The index "placeholder" is internally reserved.
The indices must be returned with the same keys and in the same order as the corresponding values in the given array.
Parameters
| array | $values | An array of choice values. Not existing values in this array are ignored |
Return Value
| array | An array of indices with ascending, 0-based numeric keys |
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/3.0/Symfony/Component/Form/Extension/Core/ChoiceList/LazyChoiceList.html