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<?php |
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/** |
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* This file contains additional helper methods. |
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*/ |
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namespace Danmichaelo\QuiteSimpleXMLElement; |
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class QuiteSimpleXMLElement extends SimpleXMLElementWrapper |
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{ |
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/** |
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* Get a node attribute value. Namespace prefixes are supported. |
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* |
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* @param string $attribute |
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* @return string |
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*/ |
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public function attr($attribute) |
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{ |
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if (strpos($attribute, ':') !== false) { |
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list($ns, $attribute) = explode(':', $attribute, 2); |
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return trim((string) $this->el->attributes($ns, true)->{$attribute}); |
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} |
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return trim((string) $this->el->attributes()->{$attribute}); |
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} |
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/** |
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* Get the first node matching an XPath query, or null if no match. |
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* |
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* @param string $path |
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* @return QuiteSimpleXMLElement |
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*/ |
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public function first($path) |
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{ |
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// Convenience method |
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$x = $this->xpath($path); |
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return count($x) ? $x[0] : null; |
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} |
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/** |
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* Check if the document has at least one node matching an XPath query. |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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public function has($path) |
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{ |
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$x = $this->xpath($path); |
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return count($x) ? true : false; |
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} |
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/** |
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* Get all nodes matching an XPath query. |
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* |
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* @param string $path |
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* @return QuiteSimpleXMLElement[] |
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*/ |
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public function xpath($path) |
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{ |
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return array_map(function ($el) { |
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return new QuiteSimpleXMLElement($el, $this); |
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}, $this->el->xpath($path)); |
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} |
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/** |
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* Alias for `xpath()`. |
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* |
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* @param $path |
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* @return QuiteSimpleXMLElement[] |
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*/ |
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public function all($path) |
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{ |
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return $this->xpath($path); |
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} |
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/** |
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* Get the text of the first node matching an XPath query. By default, |
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* the text will be trimmed, but if you want the untrimmed text, set |
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* the second parameter to False. |
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* |
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* @param string $path |
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* @param bool $trim |
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* @return string |
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*/ |
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public function text($path = '.', $trim = true) |
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{ |
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$text = strval($this->first($path)); |
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return $trim ? trim($text) : $text; |
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} |
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} |
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danmichaelo /
quitesimplexmlelement
