Manual do PHP
Anterior |  | Próxima

# DOMImplementation->hasFeature()

(no version information, might be only in CVS)

DOMImplementation->hasFeature() -- Test if the DOM implementation implements a specific feature

## Descrição

class DOMImplementation {
bool hasFeature ( string feature, string version )
}

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.

## Parâmetros

`feature`

  The feature to test.

`version`

  The version number of the `feature` to test. In level 2, this can be either `2.0` or `1.0`.

## Valores de retornado

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

## Exemplos

Exemplo 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"; } } ?>`

## Veja também

DOMNode->isSupported()

Anterior | Principal | Próxima
DOMImplementation->createDocumentType() | Acima | DOMNamedNodeMap->getNamedItem()