public function Crawler::extract in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/dom-crawler/Crawler.php \Symfony\Component\DomCrawler\Crawler::extract()

Extracts information from the list of nodes.

You can extract attributes or/and the node value (_text).

Example:

$crawler->filter('h1 a')->extract(array('_text', 'href'));

Parameters

array $attributes An array of attributes:

Return value

array An array of extracted values

File

vendor/symfony/dom-crawler/Crawler.php, line 594

Class

Crawler

Crawler eases navigation of a list of \DOMElement objects.

Namespace

Symfony\Component\DomCrawler

Code

public function extract($attributes) {
  $attributes = (array) $attributes;
  $count = count($attributes);
  $data = array();
  foreach ($this as $node) {
    $elements = array();
    foreach ($attributes as $attribute) {
      if ('_text' === $attribute) {
        $elements[] = $node->nodeValue;
      }
      else {
        $elements[] = $node
          ->getAttribute($attribute);
      }
    }
    $data[] = $count > 1 ? $elements : $elements[0];
  }
  return $data;
}