(no version information, might be only in CVS)
This functions checks to see if an attribute named name exists in the current node.
例子 1. Testing the existence of an attribute
<?phpinclude("example.inc");if (!$dom = domxml_open_mem($xmlstr)) { echo "Error while parsing the document\n"; exit;}$root = $dom->document_element();$buffer = '<html';if ($root->has_attribute('language')) { $buffer .= 'lang="' . $root->get_attribute('language') . '"';}$buffer .= '>';?>