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<?php $sxe = new SimpleXMLElement('<foo></foo>'); $sxe->addChild('bar'); $arrResults['empty node'] = $sxe->asXML(); $sxe = new SimpleXMLElement('<foo></foo>'); $sxe->addChild('bar', ''); $arrResults['empty string'] = $sxe->asXML(); $sxe = new SimpleXMLElement('<foo></foo>'); $sxe->addChild('bar'); $sxe->bar = ''; $arrResults['overwritten empty string'] = $sxe->asXML(); foreach($arrResults as $key => $strResult){ echo $key . ': ' . $strResult; }
Output for git.master_jit, git.master, rfc.property-hooks
empty node: <?xml version="1.0"?> <foo><bar/></foo> empty string: <?xml version="1.0"?> <foo><bar/></foo> overwritten empty string: <?xml version="1.0"?> <foo><bar/></foo>

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