Code Duplication    Length = 6-6 lines in 2 locations

lib/Book.php 2 locations

@@ 141-146 (lines=6) @@
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        		if (!file_exists($this->coverFileName)) {
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        			$this->coverFileName = NULL;
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        		}
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        		if (empty($this->coverFileName)) {
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        			$this->coverFileName = sprintf('%s%s', $imgDirectory, $line->cover);
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        			if (!file_exists($this->coverFileName)) {
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        				$this->coverFileName = NULL;
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        			}
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        		}
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        		if (empty($this->coverFileName)) {
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        			$data = $this->getDataById($this->id);
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        			if ($data) {
@@ 154-159 (lines=6) @@
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        				if (!file_exists($this->coverFileName)) {
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        					$this->coverFileName = NULL;
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        				}
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        				if (empty($this->coverFileName)) {
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        					$this->coverFileName = sprintf('%s%s.jpg', $imgDirectory, $data->name);
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        					if (!file_exists($this->coverFileName)) {
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        						$this->coverFileName = NULL;
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        					}
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        				}
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        			}
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        		}
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        	}