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<?php declare(strict_types=1); |
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/** |
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* @package s9e\SweetDOM |
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* @copyright Copyright (c) 2019-2020 The s9e authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\SweetDOM; |
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use DOMDocument; |
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use DOMNode; |
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use DOMNodeList; |
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use DOMXPath; |
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class Document extends DOMDocument |
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{ |
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/** |
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* @link https://www.php.net/manual/domdocument.construct.php |
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* |
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* @param string $version Version number of the document |
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* @param string $encoding Encoding of the document |
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*/ |
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public function __construct(string $version = '1.0', string $encoding = 'utf-8') |
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{ |
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parent::__construct($version, $encoding); |
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$this->registerNodeClass('DOMElement', Element::class); |
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} |
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/** |
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* Create and return an xsl:apply-templates element |
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* |
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* @param string $select XPath expression for the "select" attribute |
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* @return Element |
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*/ |
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public function createXslApplyTemplates(string $select = null): Element |
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{ |
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$element = $this->createElementXSL('apply-templates'); |
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if (isset($select)) |
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{ |
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$element->setAttribute('select', $select); |
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} |
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return $element; |
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} |
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/** |
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* Create and return an xsl:attribute element |
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* |
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* @param string $name Attribute's name |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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public function createXslAttribute(string $name, string $text = ''): Element |
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{ |
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$element = $this->createElementXSL('attribute', $text); |
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$element->setAttribute('name', $name); |
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return $element; |
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} |
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/** |
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* Create and return an xsl:choose element |
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* |
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* @return Element |
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*/ |
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public function createXslChoose(): Element |
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{ |
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return $this->createElementXSL('choose'); |
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} |
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/** |
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* Create and return an xsl:comment element |
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* |
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* @param string $text Text content for the comment |
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* @return Element |
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*/ |
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public function createXslComment(string $text = ''): Element |
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{ |
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return $this->createElementXSL('comment', $text); |
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} |
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/** |
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* Create and return an xsl:copy-of element |
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* |
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* @param string $select XPath expression for the "select" attribute |
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* @return Element |
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*/ |
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public function createXslCopyOf(string $select): Element |
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{ |
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$element = $this->createElementXSL('copy-of'); |
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$element->setAttribute('select', $select); |
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return $element; |
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} |
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/** |
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* Create and return an xsl:if element |
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* |
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* @param string $test XPath expression for the "test" attribute |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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public function createXslIf(string $test, string $text = ''): Element |
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{ |
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$element = $this->createElementXSL('if', $text); |
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$element->setAttribute('test', $test); |
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return $element; |
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} |
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/** |
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* Create and return an xsl:otherwise element |
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* |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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public function createXslOtherwise(string $text = ''): Element |
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{ |
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return $this->createElementXSL('otherwise', $text); |
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} |
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/** |
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* Create and return an xsl:text element |
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* |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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public function createXslText(string $text = ''): Element |
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{ |
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return $this->createElementXSL('text', $text); |
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} |
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/** |
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* Create and return an xsl:value-of element |
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* |
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* @param string $select XPath expression for the "select" attribute |
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* @return Element |
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*/ |
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public function createXslValueOf(string $select): Element |
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{ |
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$element = $this->createElementXSL('value-of'); |
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$element->setAttribute('select', $select); |
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return $element; |
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} |
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/** |
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* Create and return an xsl:variable element |
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* |
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* @param string $name Name of the variable |
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* @param string $select XPath expression |
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* @return Element |
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*/ |
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public function createXslVariable(string $name, string $select = null): Element |
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{ |
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$element = $this->createElementXSL('variable'); |
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$element->setAttribute('name', $name); |
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if (isset($select)) |
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{ |
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$element->setAttribute('select', $select); |
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} |
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return $element; |
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} |
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/** |
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* Create and return an xsl:when element |
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* |
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* @param string $test XPath expression for the "test" attribute |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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public function createXslWhen(string $test, string $text = ''): Element |
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{ |
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$element = $this->createElementXSL('when', $text); |
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$element->setAttribute('test', $test); |
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return $element; |
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} |
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/** |
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* Evaluate and return the result of a given XPath expression |
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* |
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* @param string $expr XPath expression |
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* @param DOMNode $node Context node |
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* @param bool $registerNodeNS Whether to register the node's namespace |
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* @return mixed |
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*/ |
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public function evaluate(string $expr, DOMNode $node = null, bool $registerNodeNS = true) |
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{ |
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return $this->xpath('evaluate', func_get_args()); |
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} |
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/** |
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* Evaluate and return the first element of a given XPath query |
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* |
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* @param string $expr XPath expression |
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* @param DOMNode $node Context node |
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* @param bool $registerNodeNS Whether to register the node's namespace |
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* @return DOMNode|null |
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*/ |
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public function firstOf(string $expr, DOMNode $node = null, bool $registerNodeNS = true): ?DOMNode |
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{ |
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return $this->xpath('query', func_get_args())->item(0); |
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} |
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/** |
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* Evaluate and return the result of a given XPath query |
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* |
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* @param string $expr XPath expression |
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* @param DOMNode $node Context node |
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* @param bool $registerNodeNS Whether to register the node's namespace |
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* @return DOMNodeList |
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*/ |
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public function query(string $expr, DOMNode $node = null, bool $registerNodeNS = true): DOMNodeList |
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{ |
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return $this->xpath('query', func_get_args()); |
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} |
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/** |
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* Create and return an XSL element |
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* |
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* @param string $name Element's local name |
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* @param string $text Text content for the element |
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* @return Element |
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*/ |
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protected function createElementXSL(string $localName, string $text = ''): Element |
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{ |
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return $this->createElementNS( |
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'http://www.w3.org/1999/XSL/Transform', |
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'xsl:' . $localName, |
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htmlspecialchars($text, ENT_XML1) |
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); |
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} |
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/** |
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* Execute a DOMXPath method and return the result |
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* |
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* @param string $methodName |
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* @param array $args |
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* @return mixed |
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*/ |
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protected function xpath(string $methodName, array $args) |
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{ |
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$xpath = new DOMXPath($this); |
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$xpath->registerNamespace('xsl', 'http://www.w3.org/1999/XSL/Transform'); |
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return call_user_func_array([$xpath, $methodName], $args); |
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} |
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} |