Code Duplication    Length = 13-13 lines in 2 locations

src/Eccube/Entity/Product.php 2 locations

@@ 359-371 (lines=13) @@
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         *
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         * @return integer
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         */
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        public function getCodeMin()
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        {
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            $this->_calc();
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            $codes = [];
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            foreach ($this->codes as $code) {
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                if (!is_null($code)) {
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                    $codes[] = $code;
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                }
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            }
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            return count($codes) ? min($codes) : null;
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        }
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        /**
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         * Get Product_code max
@@ 378-390 (lines=13) @@
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         *
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         * @return integer
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         */
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        public function getCodeMax()
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        {
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            $this->_calc();
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            $codes = [];
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            foreach ($this->codes as $code) {
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                if (!is_null($code)) {
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                    $codes[] = $code;
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                }
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            }
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            return count($codes) ? max($codes) : null;
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        }
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        public function getMainListImage()
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        {