Code Duplication    Length = 7-7 lines in 2 locations

src/Core/ViewHelper/ViewHelperVariableContainer.php 2 locations

@@ 41-47 (lines=7) @@
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        $this->objects[$viewHelperClassName]['delegateVariableProviderStack'][] = $variableProvider;
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    }
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    public function getTopmostDelegateVariableContainer($viewHelperClassName)
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    {
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        if (!isset($this->objects[$viewHelperClassName]['delegateVariableProviderStack'])) {
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            return null;
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        }
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        return end($this->objects[$viewHelperClassName]['delegateVariableProviderStack']);
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    }
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    public function popDelegateVariableContainer($viewHelperClassName)
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    {
@@ 49-55 (lines=7) @@
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        return end($this->objects[$viewHelperClassName]['delegateVariableProviderStack']);
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    }
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    public function popDelegateVariableContainer($viewHelperClassName)
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    {
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        if (isset($this->objects[$viewHelperClassName]['delegateVariableProviderStack'])) {
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            return array_pop($this->objects[$viewHelperClassName]['delegateVariableProviderStack']);
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        }
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        return null;
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    }
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    /**
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     * Add a variable to the Variable Container. Make sure that $viewHelperName is ALWAYS set