open($zipFile); $content = $zip->getFromName(ltrim($xmlFile, '/')); $zip->close(); if ($content === false) { return false; } return $this->getDomFromString($content); } /** * Get DOMDocument from content string. * * @param string $content * * @return DOMDocument */ public function getDomFromString($content) { if (\PHP_VERSION_ID < 80000) { $originalLibXMLEntityValue = libxml_disable_entity_loader(true); } $this->dom = new DOMDocument(); $this->dom->loadXML($content); if (\PHP_VERSION_ID < 80000) { libxml_disable_entity_loader($originalLibXMLEntityValue); } return $this->dom; } /** * Get elements. * * @param string $path * * @return DOMNodeList */ public function getElements($path, ?DOMElement $contextNode = null) { if ($this->dom === null) { return new DOMNodeList(); // @phpstan-ignore-line } if ($this->xpath === null) { $this->xpath = new DOMXpath($this->dom); } $result = @$this->xpath->query($path, $contextNode); return empty($result) ? new DOMNodeList() : $result; // @phpstan-ignore-line } /** * Registers the namespace with the DOMXPath object. * * @param string $prefix The prefix * @param string $namespaceURI The URI of the namespace * * @return bool true on success or false on failure */ public function registerNamespace($prefix, $namespaceURI) { if ($this->dom === null) { throw new InvalidArgumentException('Dom needs to be loaded before registering a namespace'); } if ($this->xpath === null) { $this->xpath = new DOMXpath($this->dom); } return $this->xpath->registerNamespace($prefix, $namespaceURI); } /** * Get element. * * @param string $path * * @return null|DOMElement */ public function getElement($path, ?DOMElement $contextNode = null) { $elements = $this->getElements($path, $contextNode); if ($elements->length > 0) { return $elements->item(0); } return null; } /** * Get element attribute. * * @param string $attribute * @param string $path * * @return null|string */ public function getAttribute($attribute, ?DOMElement $contextNode = null, $path = null) { $return = null; if ($path !== null) { $elements = $this->getElements($path, $contextNode); if ($elements->length > 0) { /** @var DOMElement $node Type hint */ $node = $elements->item(0); $return = $node->getAttribute($attribute); } } else { if ($contextNode !== null) { $return = $contextNode->getAttribute($attribute); } } return ($return == '') ? null : $return; } /** * Get element value. * * @param string $path * * @return null|string */ public function getValue($path, ?DOMElement $contextNode = null) { $elements = $this->getElements($path, $contextNode); if ($elements->length > 0) { return $elements->item(0)->nodeValue; } return null; } /** * Count elements. * * @param string $path * * @return int */ public function countElements($path, ?DOMElement $contextNode = null) { $elements = $this->getElements($path, $contextNode); return $elements->length; } /** * Element exists. * * @param string $path * * @return bool */ public function elementExists($path, ?DOMElement $contextNode = null) { return $this->getElements($path, $contextNode)->length > 0; } }