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VariableNode::setAllowEmptyValue()

setAllowEmptyValue(bool $boolean)

Sets if this node is allowed to have an empty value.

Parameters

bool

$boolean

True if this entity will accept empty values

Links:

http://api.symfony.com/master/Symfony/Component/Config/Definition/VariableNode.html#method_setAllowEmptyValue

doc_Symfony

2016-10-28 06:37:01

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