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view vendor/zendframework/zend-feed/src/Reader/Extension/CreativeCommons/Entry.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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<?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Feed\Reader\Extension\CreativeCommons; use Zend\Feed\Reader\Extension; class Entry extends Extension\AbstractEntry { /** * Get the entry license * * @param int $index * @return string|null */ public function getLicense($index = 0) { $licenses = $this->getLicenses(); if (isset($licenses[$index])) { return $licenses[$index]; } return; } /** * Get the entry licenses * * @return array */ public function getLicenses() { $name = 'licenses'; if (array_key_exists($name, $this->data)) { return $this->data[$name]; } $licenses = []; $list = $this->xpath->evaluate($this->getXpathPrefix() . '//cc:license'); if ($list->length) { foreach ($list as $license) { $licenses[] = $license->nodeValue; } $licenses = array_unique($licenses); } else { $cc = new Feed(); $licenses = $cc->getLicenses(); } $this->data[$name] = $licenses; return $this->data[$name]; } /** * Register Creative Commons namespaces * */ protected function registerNamespaces() { $this->xpath->registerNamespace('cc', 'http://backend.userland.com/creativeCommonsRssModule'); } }