<?php $schema = <<<SCHEMA <xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="item"> <xs:complexType> <xs:sequence> <xs:element ref="item" minOccurs="0" maxOccurs="unbounded" /> </xs:sequence> <xs:attribute name="is-foo" type="xs:boolean" default="true" use="optional" /> <xs:attribute name="is-bar" type="xs:boolean" default="false" use="optional" /> </xs:complexType> </xs:element> </xs:schema> SCHEMA; $xml = <<<XML <item is-foo="false" is-bar="false"> <item is-bar="true"> <item> <item is-foo="true"> <item /> <item is-foo="true" /> </item> </item> <item is-foo="true" is-bar="true" /> </item> </item> XML; $document = new DOMDocument(); $document->loadXML($xml); $document->schemaValidateSource($schema, LIBXML_SCHEMA_CREATE); $document->resolveExternals = true; $document->substituteEntities = true; $xpath = new DOMXPath($document); foreach ($xpath->query('//item') as $item) { echo $item->getNodePath() . PHP_EOL . ' is-foo : ' . ($item->getAttribute('is-foo') === 'true' ? 'true' : 'false') . PHP_EOL . ' is-bar : ' . ($item->getAttribute('is-bar') === 'true' ? 'true' : 'false') . PHP_EOL; }
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Value for `_results` contains invalid data `array`