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<?php $xml = new XMLWriter(); $xml->openMemory(); echo "Does not work" . PHP_EOL; $xml->startElement('parent'); $xml->startElement('child'); $xml->endElement(); $xml->startAttribute('parentAttribute'); $xml->text('a value'); $xml->endAttribute(); $xml->endElement(); echo $xml->outputMemory() . PHP_EOL; echo "Works" . PHP_EOL; $xml2 = new XMLWriter(); $xml2->openMemory(); $xml2->startElement('parent'); $xml2->writeAttribute('parentAttribute', 'a value'); $xml2->writeElement('child'); $xml2->endElement(); echo $xml2->outputMemory();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Does not work <parent><child/>a value</parent> Works <parent parentAttribute="a value"><child/></parent>

preferences:
211.29 ms | 403 KiB | 287 Q