<?php
$dom = new DOMDocument();
$dom->loadXML(
'<foobar><a:foo xmlns:a="urn:a">'.
'<b:bar xmlns:b="urn:b"/></a:foo>'.
'</foobar>'
);
$xpath = new DOMXPath($dom);
//get context node and check "a:foo"
$context = $dom->documentElement->firstChild;
var_dump($context->tagName);
// try to override the context node
$xpath->registerNamespace('a', 'urn:b');
var_dump(
$xpath->evaluate(
'descendant-or-self::a:*',
$context
)->item(0)->tagName
);
// use a prefix not used in context
$xpath->registerNamespace('prefix', 'urn:b');
var_dump(
$xpath->evaluate(
'descendant-or-self::prefix:*',
$context
)->item(0)->tagName
);
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- string(5) "a:foo"
string(5) "a:foo"
string(5) "b:bar"
- Output for 5.0.0 - 5.0.5
- string(5) "a:foo"
Fatal error: Call to undefined method DOMXPath::evaluate() in /in/QvGst on line 17
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/QvGst on line 20
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/QvGst on line 20
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/QvGst on line 20
Process exited with code 255.
preferences:
310.61 ms | 401 KiB | 452 Q