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Code Duplication    Length = 5-5 lines in 2 locations

src/Cursor.php 2 locations

@@ 1068-1072 (lines=5) @@
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        $hash[] = json_encode($this->expression->toArray());
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        // sorts
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        if (!empty($this->sort)) {
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            $sort = $this->sort;
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            ksort($sort);
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            $hash[] = implode('', array_merge(array_keys($sort), array_values($sort)));
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        }
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        // fields
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        if (!empty($this->fields)) {
@@ 1075-1079 (lines=5) @@
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        }
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        // fields
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        if (!empty($this->fields)) {
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            $fields = $this->fields;
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            ksort($fields);
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            $hash[] = implode('', array_merge(array_keys($fields), array_values($fields)));
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        }
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        // skip and limit
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        $hash[] = $this->skip;