Personally I think using a simple:[code]if($DOMNode->childNodes <>0){}[/code] works better.
(PHP 5, PHP 7, PHP 8)
DOMNode::hasChildNodes — Düğümün çocuk düğümleri var mı diye bakar
Bu işlevin bağımsız değişkeni yoktur.
Personally I think using a simple:[code]if($DOMNode->childNodes <>0){}[/code] works better.
This function is a bit tricky. If you want to find XML childnodes it is useless. You need to create a work-around:<?php$x = new DOMDocument();$x->loadXML('<A> <B>b-text</B> <C> <D>d-text</D> </C> <E/></A>');shownode($x->getElementsByTagName('A')->item(0));function shownode($x) { foreach ($x->childNodes as $p) if (hasChild($p)) { echo $p->nodeName.' -> CHILDNODES<br>'; shownode($p); } elseif ($p->nodeType == XML_ELEMENT_NODE) echo $p->nodeName.' '.$p->nodeValue.'<br>';}function hasChild($p) { if ($p->hasChildNodes()) { foreach ($p->childNodes as $c) { if ($c->nodeType == XML_ELEMENT_NODE) return true; } } return false;}?>shows:B b-textC -> CHILDNODESD d-textE
This "hasChildNodes()" exercise is simple enough to make it clear and understandable. Or, you could take it as a tag empty check. By Richard Holm, Sweden.<?php$xmldoc='<?xml version="1.0" ?><root><text>Text</text><none/><empty></empty><space> </space></root>';$domdoc=new DOMDocument();$domdoc->loadXML($xmldoc);$tag=$domdoc->getElementsByTagName('root')->item(0);$v=$tag->hasChildNodes()?" hasChildNodes":" hasNoChildNodes";echo $tag->tagName.$v."<br/>";$tag=$domdoc->getElementsByTagName('text')->item(0);$v=$tag->hasChildNodes()?" hasChildNodes":" hasNoChildNodes";echo $tag->tagName.$v."<br/>";$tag=$domdoc->getElementsByTagName('none')->item(0);$v=$tag->hasChildNodes()?" hasChildNodes":" hasNoChildNodes";echo $tag->tagName.$v."<br/>";$tag=$domdoc->getElementsByTagName('empty')->item(0);$v=$tag->hasChildNodes()?" hasChildNodes":" hasNoChildNodes";echo $tag->tagName.$v."<br/>";$tag=$domdoc->getElementsByTagName('space')->item(0);$v=$tag->hasChildNodes()?" hasChildNodes":" hasNoChildNodes";echo $tag->tagName.$v."<br/>";?>Output:root hasChildNodestext hasChildNodesnone hasNoChildNodesempty hasNoChildNodesspace hasChildNodes