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