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gyro/modules/gsitemap/lib/components/gsitemapitemformatter.cls.php

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<?php
/**
 * Class to format item in sitemap
 */
class GSiteMapItemFormatter {
        protected $url = '';
        protected $data = array();


        /**
         * @param string $url
         * @param array $data
         */
        public function __construct($url, $data) {
                $this->url = $url;
                $this->data = $data;
        }

        /**
         * Render as XML
         *
         * @return string
         */
        public function as_xml() {
                $tags = $this->get_xml_tags();
                return '<url>' . $this->xml_from_tags($tags) . '</url>';
        }

        /**
         * Collect tags to output
         * @return array
         */
        protected function get_xml_tags() {
                $tags = array();
                $tags['loc'] = $this->url;
                if (Arr::get_item($this->data, 'lastmod', 0) > 0) { $tags['lastmod'] = GyroDate::iso_date($this->data['lastmod']); }
                if (!empty($this->data['priority'])) { $tags['priority'] = $this->data['priority']; }
                if (!empty($this->data['changefreq'])) { $tags['changefreq'] = $this->data['changefreq']; }

                return $tags;
        }

        /**
         * Render as HTML
         *
         * @return string
         */
        public function as_html() {
                $s_url = String::escape($this->url);
                return "<a href=\"$s_url\">$s_url</a>";
        }

        /**
         * Turn associative array of tag => content into XML
         *
         * @param array $tags
         * @return string
         */
        protected function xml_from_tags($tags) {
                $ret = '';
                foreach($tags as $tag => $content) {
                        $c = is_array($content) ? $this->xml_from_tags($content) : String::escape($content, String::XML);
                        $ret .= "<$tag>" . $c . "</$tag>\n";
                }
                return $ret;
        }
}

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