Code Duplication    Length = 20-20 lines in 3 locations

src/SQLParser/Node/AbstractManyInstancesOperator.php 1 location

@@ 84-103 (lines=20) @@
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     *
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     * @param VisitorInterface $visitor
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     */
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    public function walk(VisitorInterface $visitor)
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    {
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        $node = $this;
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        $result = $visitor->enterNode($node);
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        if ($result instanceof NodeInterface) {
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            $node = $result;
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        }
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        if ($result !== NodeTraverser::DONT_TRAVERSE_CHILDREN) {
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            foreach ($this->operands as $key => $operand) {
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                $result2 = $operand->walk($visitor);
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                if ($result2 === NodeTraverser::REMOVE_NODE) {
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                    unset($this->operands[$key]);
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                } elseif ($result2 instanceof NodeInterface) {
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                    $this->operands[$key] = $result2;
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                }
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            }
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        }
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        return $visitor->leaveNode($node);
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    }
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    /**
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     * Returns the symbol for this operator.

src/SQLParser/Node/SimpleFunction.php 1 location

@@ 194-213 (lines=20) @@
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     *
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     * @param VisitorInterface $visitor
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     */
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    public function walk(VisitorInterface $visitor)
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    {
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        $node = $this;
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        $result = $visitor->enterNode($node);
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        if ($result instanceof NodeInterface) {
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            $node = $result;
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        }
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        if ($result !== NodeTraverser::DONT_TRAVERSE_CHILDREN) {
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            foreach ($this->subTree as $key => $operand) {
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                $result2 = $operand->walk($visitor);
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                if ($result2 === NodeTraverser::REMOVE_NODE) {
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                    unset($this->subTree[$key]);
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                } elseif ($result2 instanceof NodeInterface) {
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                    $this->subTree[$key] = $result2;
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                }
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            }
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        }
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        return $visitor->leaveNode($node);
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    }
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}
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src/SQLParser/Node/AggregateFunction.php 1 location

@@ 182-201 (lines=20) @@
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     *
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     * @param VisitorInterface $visitor
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     */
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    public function walk(VisitorInterface $visitor)
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    {
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        $node = $this;
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        $result = $visitor->enterNode($node);
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        if ($result instanceof NodeInterface) {
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            $node = $result;
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        }
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        if ($result !== NodeTraverser::DONT_TRAVERSE_CHILDREN) {
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            foreach ($this->subTree as $key => $operand) {
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                $result2 = $operand->walk($visitor);
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                if ($result2 === NodeTraverser::REMOVE_NODE) {
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                    unset($this->subTree[$key]);
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                } elseif ($result2 instanceof NodeInterface) {
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                    $this->subTree[$key] = $result2;
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                }
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            }
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        }
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        return $visitor->leaveNode($node);
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    }
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}
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