[Form] fix Catchable Fatal Error if choices is not an array
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@ -263,9 +263,11 @@ class ChoiceType extends AbstractType
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return $choices;
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}
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ChoiceType::normalizeLegacyChoices($choices, $choiceLabels);
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if (null === $choices) {
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return;
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}
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return $choices;
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return ChoiceType::normalizeLegacyChoices($choices, $choiceLabels);
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};
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// BC closure, to be removed in 3.0
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@ -503,26 +505,30 @@ class ChoiceType extends AbstractType
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* are lost. Store them in a utility array that is used from the
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* "choice_label" closure by default.
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*
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* @param array $choices The choice labels indexed by choices.
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* Labels are replaced by generated keys.
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* @param array|\Traversable $choices The choice labels indexed by choices.
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* @param object $choiceLabels The object that receives the choice labels
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* indexed by generated keys.
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* @param int $nextKey The next generated key.
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*
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* @return array The choices in a normalized array with labels replaced by generated keys.
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*
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* @internal Public only to be accessible from closures on PHP 5.3. Don't
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* use this method as it may be removed without notice and will be in 3.0.
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*/
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public static function normalizeLegacyChoices(array &$choices, $choiceLabels, &$nextKey = 0)
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public static function normalizeLegacyChoices($choices, $choiceLabels, &$nextKey = 0)
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{
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$normalizedChoices = array();
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foreach ($choices as $choice => $choiceLabel) {
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if (is_array($choiceLabel)) {
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$choiceLabel = ''; // Dereference $choices[$choice]
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self::normalizeLegacyChoices($choices[$choice], $choiceLabels, $nextKey);
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if (is_array($choiceLabel) || $choiceLabel instanceof \Traversable) {
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$normalizedChoices[$choice] = self::normalizeLegacyChoices($choiceLabel, $choiceLabels, $nextKey);
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continue;
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}
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$choiceLabels->labels[$nextKey] = $choiceLabel;
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$choices[$choice] = $nextKey++;
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$normalizedChoices[$choice] = $nextKey++;
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}
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return $normalizedChoices;
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}
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}
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@ -487,6 +487,21 @@ class ChoiceTypeTest extends \Symfony\Component\Form\Test\TypeTestCase
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$this->assertTrue($form->isSynchronized());
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}
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/**
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* @group legacy
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*/
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public function testLegacyNullChoices()
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{
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$form = $this->factory->create('choice', null, array(
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'multiple' => false,
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'expanded' => false,
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'choices' => null,
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));
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$this->assertNull($form->getConfig()->getOption('choices'));
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$this->assertFalse($form->getConfig()->getOption('multiple'));
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$this->assertFalse($form->getConfig()->getOption('expanded'));
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}
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/**
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* @group legacy
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*/
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