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Code Duplication    Length = 10-10 lines in 6 locations

protected/extensions/nested-set-behavior/tests/unit/NestedSetBehaviorTest.php 6 locations

@@ 741-750 (lines=10) @@
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			&& $this->checkArray4($array);
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	}
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	private function checkArray1($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && $node->lft>=$node->rgt)
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				return false;
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		}
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		return true;
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	}
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	private function checkArray2($array)
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	{
@@ 752-761 (lines=10) @@
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		return true;
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	}
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	private function checkArray2($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && !(($node->rgt-$node->lft)%2))
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				return false;
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		}
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		return true;
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	}
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	private function checkArray3($array)
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	{
@@ 763-772 (lines=10) @@
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		return true;
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	}
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	private function checkArray3($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && ($node->lft-$node->level)%2)
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				return false;
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		}
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		return true;
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	}
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	private function checkArray4($array)
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	{
@@ 845-854 (lines=10) @@
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			&& $this->checkArrayWithManyRoots4($array);
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	}
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	private function checkArrayWithManyRoots1($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && $node->lft>=$node->rgt)
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				return false;
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		}
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		return true;
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	}
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	private function checkArrayWithManyRoots2($array)
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	{
@@ 856-865 (lines=10) @@
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		return true;
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	}
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	private function checkArrayWithManyRoots2($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && !(($node->rgt-$node->lft)%2))
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				return false;
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		}
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		return true;
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	}
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	private function checkArrayWithManyRoots3($array)
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	{
@@ 867-876 (lines=10) @@
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		return true;
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	}
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	private function checkArrayWithManyRoots3($array)
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	{
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		foreach($array as $node)
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		{
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			if(!$node->getIsDeletedRecord() && ($node->lft-$node->level)%2)
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				return false;
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		}
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		return true;
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	}
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	private function checkArrayWithManyRoots4($array)
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	{