#42451 [Opn->Bgs]: get_class(DOMNodelist->item()) reports wrong class

ID: 42451 Updated by: rrichards@php.net Reported By: rkhb at gmx dot net -Status: Open +Status: Bogus Bug Type: DOM XML related Operating System: Windows XP Pro SP2 PHP Version: 5.2.4RC3 New Comment: Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php Returned object just need to inherit from DOMNode, so the actual class type of the objects returned can be a number of different class types (DOMElement, DOMAttr, DOMText, etc...) You can test for DOMNode using instanceof. $child instanceof DOMNode Previous Comments: ------------------------------------------------------------------------ [2007-08-27 23:58:16] rkhb at gmx dot net Description: ------------ get_class(DOMNodelist->item()) reports 'DOMElement'. In the documentation as well as in the W3C-Recommendation this should be 'DOMNode'. http://www.php.net/manual/en/function.dom-domnodelist-item.php http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-536297177 I had required the correct result for building a own "print_r"... Reproduce code: --------------- error_reporting (E_ALL | E_STRICT); echo "PHP: ", PHP_VERSION, "\r\n"; $doc = new DOMDocument; $doc->loadHTML('<html><head><title>First</title><meta name="author" content="rkhb"></head><body></body></html>'); $heads = $doc->getElementsByTagName('head'); // -> DomNodeList echo '$heads: ' , get_class($heads),"\r\n"; $head = $heads->item(0); // -> DomNode echo '$head: ' , get_class($head),"\r\n"; $childs = $head->childNodes; // -> DomNodeList echo '$childs: ',get_class($childs),"\r\n"; $child = $childs->item(0); // -> DomNode; echo '$child: ',get_class($child),"\r\n"; echo '$child->nodeName: ',$child->nodeName,"\r\n"; echo '$child->tagName: ',$child->tagName,"\r\n"; echo '$child->undefined: ',$child->undefined,"\r\n"; echo '$child->nextSibling->nodeName: ',$child->nextSibling->nodeName,"\r\n"; Expected result: ---------------- HP: 5.2.4RC4-dev $heads: DOMNodeList $head: DOMNode $childs: DOMNodeList $child: DOMNode $child->nodeName: title $child->tagName: Notice: Undefined property: DOMNode::$tagName in C:\Projekte\PHP-CLI\Neu1.php on line 25 $child->undefined: Notice: Undefined property: DOMNode::$undefined in C:\Projekte\PHP-CLI\Neu1.php on line 25 $child->nextSibling->nodeName: meta Actual result: -------------- HP: 5.2.4RC4-dev $heads: DOMNodeList $head: DOMElement $childs: DOMNodeList $child: DOMElement $child->nodeName: title $child->tagName: title $child->undefined: Notice: Undefined property: DOMElement::$undefined in C:\Projekte\PHP-CLI\Neu1.php on line 25 $child->nextSibling->nodeName: meta ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=42451&edit=1