1--TEST-- 2Bug #67474 getElementsByTagNameNS and default namespace 3--SKIPIF-- 4<?php 5require_once('skipif.inc'); 6?> 7--FILE-- 8<?php 9declare(strict_types=1); 10 11$doc = new DOMDocument(); 12$doc->loadXML('<root xmlns:x="x"><a/><x:a/></root>'); 13$list = $doc->getElementsByTagNameNS('', 'a'); 14var_dump($list->length); 15$list = $doc->getElementsByTagNameNS(null, 'a'); 16var_dump($list->length); 17 18$elem = $doc->documentElement; 19$list = $elem->getElementsByTagNameNS('', 'a'); 20var_dump($list->length); 21$list = $elem->getElementsByTagNameNS(null, 'a'); 22var_dump($list->length); 23 24?> 25--EXPECT-- 26int(1) 27int(1) 28int(1) 29int(1) 30