Code Duplication    Length = 9-9 lines in 2 locations

src/ErrorsDocument.php 2 locations

@@ 168-176 (lines=9) @@
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			// use a generic one
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			$advisedStatusCode = 500;
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		}
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		elseif (isset($this->httpStatusCodes['5'])) {
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			if (count($this->httpStatusCodes['5']) === 1) {
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				$advisedStatusCode = key($this->httpStatusCodes['5']);
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			}
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			else {
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				// use a generic one
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				$advisedStatusCode = 500;
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			}
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		}
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		elseif (isset($this->httpStatusCodes['4'])) {
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			if (count($this->httpStatusCodes['4']) === 1) {
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				$advisedStatusCode = key($this->httpStatusCodes['4']);
@@ 177-185 (lines=9) @@
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				$advisedStatusCode = 500;
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			}
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		}
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		elseif (isset($this->httpStatusCodes['4'])) {
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			if (count($this->httpStatusCodes['4']) === 1) {
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				$advisedStatusCode = key($this->httpStatusCodes['4']);
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			}
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			else {
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				// use a generic one
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				$advisedStatusCode = 400;
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			}
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		}
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		return (int) $advisedStatusCode;
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	}