La classe DOMImplementation

    (PHP 5, PHP 7, PHP 8)

    Introduction

    Cette classe fournit un nombre de méthodes pour effectuer des opérations qui sont indépendantes d'une instance particulière du modèle objet d'un document.

    Synopsis de la classe

    class DOMImplementation {
    /* Méthodes */
    public createDocument(?string $namespace = null, string $qualifiedName = "", ?DOMDocumentType $doctype = null): DOMDocument
    public createDocumentType(string $qualifiedName, string $publicId = "", string $systemId = ""): DOMDocumentType|false
    public hasFeature(string $feature, string $version): bool
    }

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    User Contributed Notes 1 note

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    LANGE.LUDO
    10 years ago
    Ok got it working like a charm using "proxy pattern" with traits. The idea being declaring the common methods inside a "trait" in order for extended and registered Node Classes to have access even if not derived / child of the extended DOMNode…Here a small snippet :<?php    namespace my;    trait tNode    {    // We need the magic method __get in order to add properties such as DOMNode->parentElement        public function __get($name)        {    if(property_exists($this, $name)){return $this->$name;}            if(method_exists($this, $name)){return $this->$name();}            throw new \ErrorException('my\\Node property \''.(string) $name.'\' not found…', 42, E_USER_WARNING);        }        // parentElement property definition        private function parentElement()        {    if($this->parentNode === null){return null;}            if($this->parentNode->nodeType === XML_ELEMENT_NODE){return $this->parentNode;}            return $this->parentNode->parentElement();        }        // JavaScript equivalent        public function isEqualNode(\DOMNode $node){return $this->isSameNode($node);}        public function compareDocumentPosition(\DOMNode $otherNode)        {    if($this->ownerDocument !== $otherNode->ownerDocument){return DOCUMENT_POSITION_DISCONNECTED;}            $c = strcmp($this->getNodePath(), $otherNode->getNodePath());            if($c === 0){return 0;}            else if($c < 0){return DOCUMENT_POSITION_FOLLOWING | ($c < -1 ? DOCUMENT_POSITION_CONTAINED_BY : 0);}            return DOCUMENT_POSITION_PRECEDING | ($c > 1 ? DOCUMENT_POSITION_CONTAINS : 0);        }        public function contains(\DOMNode $otherNode){return ($this->compareDocumentPosition($otherNode) >= DOCUMENT_POSITION_CONTAINED_BY);}    }    class Document extends \DomDocument    {    public function __construct($version=null, $encoding=null)        {    parent::__construct($version, $encoding);            $this->registerNodeClass('DOMNode', 'my\Node');            $this->registerNodeClass('DOMElement', 'my\Element');            $this->registerNodeClass('DOMDocument', 'my\Document');            /* [...] */        }    }    class Element extends \DOMElement    {    use tNode;        /* [...] */    }    class Node extends \DOMNode    {    use tNode;        /* [...] */    }?>
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