558     public function import($source, $sourceCharset = null) {  argument
561         if ($source instanceof DOMNODE && !($source instanceof DOMNODELIST))
562             $source = array($source);
587         if (is_array($source) || $source instanceof DOMNODELIST) {
590             foreach($source as $node)
594             $fake = $this->documentFragmentCreate($source, $sourceCharset);
608     protected function documentFragmentCreate($source, $charset = null) {  argument
618         if ($source instanceof DOMNODE && !($source instanceof DOMNODELIST))
619             $source = array($source);
620         if (is_array($source) || $source instanceof DOMNODELIST) {
625             $nodes = $fake->import($source);
630             $this->documentFragmentLoadMarkup($fake, $charset, $source);
1349         $source = $this->filter('form, input, select, textarea')
1355         foreach($source as $input) {
4872      * @param array $source
4876     public static function extend($target, $source) {  argument
4889         if (is_string($source))
4890             $source = array($source => $source);
4891         foreach($source as $method => $callback) {
5321     public static function getDocumentID($source) {  argument
5322         if ($source instanceof DOMDOCUMENT) {
5324                 if ($source->isSameNode($document->document))
5327         } else if ($source instanceof DOMNODE) {
5329                 if ($source->ownerDocument->isSameNode($document->document))
5332         } else if ($source instanceof phpQueryObject)
5333             return $source->getDocumentID();
5334         else if (is_string($source) && isset(phpQuery::$documents[$source]))
5335             return $source;
5344     public static function getDOMDocument($source) {  argument
5345         if ($source instanceof DOMDOCUMENT)
5346             return $source;
5347         $source = self::getDocumentID($source);
5348         return $source