<?php
/**
* What is the DOM Core Version is Supported by PHP DOM?
*/
$dom = new DOMDocument();
$dom->loadXML('<root/>');
$element = $dom->documentElement;
function dom_list_feature(DOMDocument $dom, $feature, array $versions)
{
echo "$feature Feature is in PHP DOMDocument implementation:\n\n";
$found = [];
foreach ($versions as $i => $version)
{
$result = $dom->implementation->hasFeature($feature, $version);
if ($result) {
$found[] = $version;
}
printf(" %d.) $feature %' -5s: %s\n", $i + 1, var_export($version, true), $result ? 'TRUE' : 'FALSE');
}
$formatter = new NumberFormatter('en_UK', NumberFormatter::SPELLOUT);
$count = ucfirst($formatter->format($found));
printf("\n%s %s versions found%s.\n\n", $count, $feature, $found ? ': ' . implode('; ', $found) : '');
}
# Test DOMDocument in PHP Support for DOM-Core Feature
# Document Object Model (DOM) <http://www.w3.org/DOM/DOMTR>
dom_list_feature($dom, "Core", ['3.0', '2.0', '1.0', '', NULL]);
# Test DOMDocument in PHP Support for DOM-XPath Feature
# Document Object Model XPath <http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html>
dom_list_feature($dom, "XPath", ['3.0', '2.0', '1.0', '', NULL]);
preferences:
57.48 ms | 407 KiB | 5 Q