xref: /PHP-5.4/ext/dom/tests/domxpath.phpt (revision 3e691244)
1--TEST--
2DOMXPath Tests
3--SKIPIF--
4<?php require_once('skipif.inc'); ?>
5--FILE--
6<?php
7require_once("dom_test.inc");
8
9function MyAverage($nodelist) {
10	$count = 0;
11	$val = 0;
12	foreach ($nodelist AS $node) {
13		$count++;
14		$val += $node->textContent;
15	}
16	if ($val > 0) {
17		return $val/$count;
18	} else {
19		return 0;
20	}
21}
22
23$dom = new DOMDocument;
24$dom->loadXML(b'<root xmlns="urn::default"><child>myval</child></root>');
25
26$xpath = new DOMXPath($dom);
27
28$xpath->registerPHPFunctions('MyAverage');
29$xpath->registerNamespace("php", "http://php.net/xpath");
30
31$xpath->registerNamespace("def", "urn::default");
32$nodelist = $xpath->query("//def:child");
33if ($node = $nodelist->item(0)) {
34	print $node->textContent."\n";
35}
36
37$count = $xpath->evaluate("count(//def:child)");
38
39var_dump($count);
40
41$xpathdoc = $xpath->document;
42
43var_dump($xpathdoc instanceof DOMDocument);
44
45$root = $dom->documentElement;
46$root->appendChild($dom->createElementNS("urn::default", "testnode", 3));
47$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
48$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
49$root->appendChild($dom->createElementNS("urn::default", "testnode", 5));
50
51$avg = $xpath->evaluate('number(php:function("MyAverage", //def:testnode))');
52var_dump($avg);
53?>
54--EXPECT--
55myval
56float(1)
57bool(true)
58float(4)