Added casting to array. If this is missing it can happen that the returned value is null.
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@ -57,7 +57,7 @@ class ProgressViewHelper extends AbstractViewHelper
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//handling famous off by one
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$activeStep -= $offset;
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//make sure our array index is numeric
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$links = \array_values($links);
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$links = \array_values((array)$links);
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if (!$linkCount) {
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$linkCount = \count($links);
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}
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