(PHP 5, PHP 7)
DOMImplementation::hasFeature — Test if the DOM implementation implements a specific feature
$feature
, string $version
) : bool
Test if the DOM implementation implements a specific
feature.
You can find a list of all features in the » Conformance section of the DOM specification.
featureThe feature to test.
version
The version number of the feature to test. In
level 2, this can be either 2.0 or
1.0.
Întoarce valoarea TRUE în cazul
succesului sau FALSE în cazul eșecului.
Această metodă poate fi apelată în mod static, dar va emite
o eroare E_STRICT.
Example #1 Testing your DOM Implementation
<?php
$features = array(
'Core' => 'Core module',
'XML' => 'XML module',
'HTML' => 'HTML module',
'Views' => 'Views module',
'Stylesheets' => 'Style Sheets module',
'CSS' => 'CSS module',
'CSS2' => 'CSS2 module',
'Events' => 'Events module',
'UIEvents' => 'User interface Events module',
'MouseEvents' => 'Mouse Events module',
'MutationEvents' => 'Mutation Events module',
'HTMLEvents' => 'HTML Events module',
'Range' => 'Range module',
'Traversal' => 'Traversal module'
);
foreach ($features as $key => $name) {
if (DOMImplementation::hasFeature($key, '2.0')) {
echo "Has feature $name\n";
} else {
echo "Missing feature $name\n";
}
}
?>