Error binding with validation group setted

[weierophinney]

Version 2.6.2 broke for me... In this line https://github.com/zendframework/zend-form/blob/master/src/Form.php#L365 you're looking for $validationGroup[<field>], but I'm using setValidationGroup(field1, field2, field3) or even setValidationGroup(array(field1, field2, field3)), in this case array will be as above:

array(
    0 => 'field1",
    1 => 'field2",
    2 => 'field3",
)

And this will broke the code!

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Originally posted by @guilherme-santos at zendframework/zend-form#124