https://www.php.net/manual/en/domnode.haschildnodes.php
PHP: DOMNode::hasChildNodes - Manual
Checks if node has children
phpmanual
https://www.w3schools.com/jsreF/met_node_haschildnodes.asp
HTML DOM Element hasChildNodes Method
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html domelementmethod
https://forum.qt.io/topic/83481/qdomnode-isnull-and-qdomnode-haschildnodes
QDomNode::isNull() and QDomNode::hasChildNodes() | Qt Forum
Sep 21, 2017 - While refactoring some code, I came across the following if-clause several times: const QDomElement foo = mfGetSomeQDomElementFromSomewhere(); if (!foo.isNul...
isnullqtforum
https://developer.mozilla.org/en-US/docs/Web/API/Node/hasChildNodes
Node: hasChildNodes() method - Web APIs | MDN
The hasChildNodes() method of the Node interface returns a boolean value indicating whether the given Node has child nodes or not.
web apisnodemethodmdn