Online PHP editor | refs for GFCY2

<?php /** * The only reliable way of determining if a child exists * in SimpleXMLElement is to use count(). All other methods * do not work reliably in global or local NS. */ if(!class_exists('SimpleXMLElement')) die("Bonkers"); $xml = new SimpleXMLElement('<xml xmlns:abstract="urn:my.org:abstract"><abstract:node>foo</abstract:node><bar>123</bar></xml>'); var_dump($xml->node); var_dump(gettype($xml->node)); var_dump(isset($xml->node)); var_dump(empty($xml->node)); var_dump(is_null($xml->node)); var_dump(count($xml->node)); var_dump(count($xml->node->children())); echo "----------------------\n"; var_dump(gettype($xml->bar)); var_dump(isset($xml->bar)); var_dump(empty($xml->bar)); var_dump(is_null($xml->bar)); var_dump(count($xml->bar)); var_dump(count($xml->bar->children())); echo "----------------------\n"; var_dump(gettype($xml->children('abstract',true)->node)); var_dump(isset($xml->children('abstract',true)->node)); var_dump(empty($xml->children('abstract',true)->node)); var_dump(is_null($xml->children('abstract',true)->node)); var_dump(count($xml->children('abstract',true)->node)); var_dump(count($xml->children('abstract',true)->node->children())); echo "----------------------\n"; var_dump(gettype($xml->children('abstract',true)->bar)); var_dump(isset($xml->children('abstract',true)->bar)); var_dump(empty($xml->children('abstract',true)->bar)); var_dump(is_null($xml->children('abstract',true)->bar)); var_dump(count($xml->children('abstract',true)->bar)); var_dump(count($xml->children('abstract',true)->bar->children()));