3v4l.org

run code in 300+ PHP versions simultaneously
<?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); $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; }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
/item is-foo : false is-bar : false /item/item is-foo : false is-bar : true /item/item/item[1] is-foo : false is-bar : false /item/item/item[1]/item is-foo : true is-bar : false /item/item/item[1]/item/item[1] is-foo : false is-bar : false /item/item/item[1]/item/item[2] is-foo : true is-bar : false /item/item/item[2] is-foo : true is-bar : true

preferences:
282.53 ms | 405 KiB | 403 Q