DOMImplementation->hasFeature()

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.

Lista de 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 Retornados

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()