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DOMImplementation->hasFeature() — Test if the DOM implementation implements a specific feature
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.
The feature to test.
The version number of the feature to test. In level 2, this can be either 2.0 or 1.0.
Devuelve TRUE si todo se llevó a cabo correctamente, FALSE en caso de fallo.
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";
}
}
?>