<?php
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namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
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use SimpleXMLElement;
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abstract class StyleBase
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{
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protected static function identifyFixedStyleValue(array $styleList, string &$styleAttributeValue): bool
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{
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$returnValue = false;
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$styleAttributeValue = strtolower($styleAttributeValue);
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foreach ($styleList as $style) {
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if ($styleAttributeValue == strtolower($style)) {
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$styleAttributeValue = $style;
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$returnValue = true;
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break;
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}
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}
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return $returnValue;
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}
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protected static function getAttributes(?SimpleXMLElement $simple, string $node): SimpleXMLElement
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{
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return ($simple === null) ? new SimpleXMLElement('<xml></xml>') : ($simple->attributes($node) ?? new SimpleXMLElement('<xml></xml>'));
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}
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}
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