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<?php |
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namespace Bdf\Form\Aggregate; |
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use Bdf\Form\Child\ChildBuilder; |
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use Bdf\Form\ElementBuilderInterface; |
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use Bdf\Form\Filter\EmptyArrayValuesFilter; |
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use Bdf\Form\Registry\RegistryInterface; |
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/** |
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* Child builder for ArrayElement |
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* |
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* @extends ChildBuilder<ArrayElementBuilder> |
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*/ |
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class ArrayChildBuilder extends ChildBuilder |
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{ |
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/** |
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* @var bool |
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*/ |
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private $filterEmptyValues = true; |
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/** |
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* ArrayChildBuilder constructor. |
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* |
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* @param string $name |
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* @param ArrayElementBuilder $elementBuilder |
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* @param RegistryInterface|null $registry |
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*/ |
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public function __construct(string $name, ElementBuilderInterface $elementBuilder, RegistryInterface $registry = null) |
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{ |
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parent::__construct($name, $elementBuilder, $registry); |
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$this->addFilterProvider([$this, 'provideEmptyValueFilter']); |
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} |
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/** |
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* Enable or disable filtering empty values into the submitted array |
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* By default this filter is enabled |
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* |
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* Note: are considered empty, the empty string '', the empty array [], and null |
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* |
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* @param bool $flag true to enable |
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* |
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* @return $this |
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* @see EmptyArrayValuesFilter |
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*/ |
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public function filterEmptyValues(bool $flag = true): self |
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{ |
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$this->filterEmptyValues = $flag; |
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return $this; |
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} |
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protected function provideEmptyValueFilter(): array |
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{ |
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if (!$this->filterEmptyValues) { |
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return []; |
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} |
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return [EmptyArrayValuesFilter::instance()]; |
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} |
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} |
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b2pweb /
bdf-form
