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|
--TEST--
DOMXPath Tests
--SKIPIF--
<?php require_once('skipif.inc'); ?>
--FILE--
<?php
require_once("dom_test.inc");
function MyAverage($nodelist) {
$count = 0;
$val = 0;
foreach ($nodelist AS $node) {
$count++;
$val += $node->textContent;
}
if ($val > 0) {
return $val/$count;
} else {
return 0;
}
}
$dom = new DOMDocument;
$dom->loadXML('<root xmlns="urn::default"><child>myval</child></root>');
$xpath = new DOMXPath($dom);
$xpath->registerPHPFunctions('MyAverage');
$xpath->registerNamespace("php", "http://php.net/xpath");
$xpath->registerNamespace("def", "urn::default");
$nodelist = $xpath->query("//def:child");
if ($node = $nodelist->item(0)) {
print $node->textContent."\n";
}
$count = $xpath->evaluate("count(//def:child)");
var_dump($count);
$xpathdoc = $xpath->document;
var_dump($xpathdoc instanceof DOMDocument);
$root = $dom->documentElement;
$root->appendChild($dom->createElementNS("urn::default", "testnode", 3));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 5));
$avg = $xpath->evaluate('number(php:function("MyAverage", //def:testnode))');
var_dump($avg);
try {
$xpath->registerPHPFunctions('non_existent');
$avg = $xpath->evaluate('number(php:function("non_existent", //def:testnode))');
} catch (\Error $e) {
echo $e->getMessage() . \PHP_EOL;
}
try {
$xpath->registerPhpFunctions(['non_existant']);
$avg = $xpath->evaluate('number(php:function("non_existent", //def:testnode))');
} catch (\Error $e) {
echo $e->getMessage() . \PHP_EOL;
}
?>
--EXPECT--
myval
float(1)
bool(true)
float(4)
Unable to call handler non_existent()
Unable to call handler non_existent()
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