Code Duplication    Length = 3-3 lines in 2 locations

src/PhpSpreadsheet/Reader/Xls.php 2 locations

@@ 5437-5439 (lines=3) @@
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                    if ($token['data']['function'] != '') {
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                        // normal function
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                        $ops = []; // array of operators
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                        for ($i = 0; $i < $token['data']['args']; ++$i) {
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                            $ops[] = array_pop($formulaStrings);
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                        }
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                        $ops = array_reverse($ops);
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                        $formulaStrings[] = "$space1$space0{$token['data']['function']}(" . implode(',', $ops) . ')';
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                        unset($space0, $space1);
@@ 5446-5448 (lines=3) @@
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                    } else {
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                        // add-in function
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                        $ops = []; // array of operators
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                        for ($i = 0; $i < $token['data']['args'] - 1; ++$i) {
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                            $ops[] = array_pop($formulaStrings);
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                        }
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                        $ops = array_reverse($ops);
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                        $function = array_pop($formulaStrings);
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                        $formulaStrings[] = "$space1$space0$function(" . implode(',', $ops) . ')';