Your IP : 216.73.216.171
<?php
/**
* Item class for handling sitemap items in SmartCrawl.
*
* @package SmartCrawl
*/
namespace SmartCrawl\Sitemaps\General;
use SmartCrawl\Sitemaps\Index_Item;
/**
* Class Item
*
* Represents an item in the sitemap.
*/
class Item extends Index_Item {
/**
* The images associated with the item.
*
* @var array
*/
private $images = array();
/**
* Retrieves the images associated with the item.
*
* @return array The images.
*/
public function get_images() {
return $this->images;
}
/**
* Sets the images associated with the item.
*
* @param array $images The images to set.
*
* @return $this
*/
public function set_images( $images ) {
$this->images = $images;
return $this;
}
/**
* Converts the images to XML format.
*
* @return string The images in XML format.
*/
private function images_xml() {
$images = array();
foreach ( $this->get_images() as $image ) {
$images[] = $this->image_xml( $image );
}
return join( "\n", $images );
}
/**
* Converts a single image to XML format.
*
* @param array $image The image to convert.
*
* @return string The image in XML format.
*/
private function image_xml( $image ) {
$text = ! empty( $image['title'] )
? $image['title']
: (string) \smartcrawl_get_array_value( $image, 'alt' );
$src = (string) \smartcrawl_get_array_value( $image, 'src' );
$image_tag = '<image:image>';
$image_tag .= '<image:loc>' . esc_url( $src ) . '</image:loc>';
$image_tag .= '<image:title>' . esc_xml( $text ) . '</image:title>';
$image_tag .= '</image:image>';
return $image_tag;
}
/**
* Converts the item to XML format.
*
* @return string The item in XML format.
*/
public function to_xml() {
$tags = array();
$location = $this->get_location();
if ( empty( $location ) ) {
\SmartCrawl\Logger::error( 'Sitemap item with empty location found' );
return '';
}
$tags[] = sprintf( '<loc>%s</loc>', esc_url( $location ) );
// Last modified date.
$tags[] = sprintf( '<lastmod>%s</lastmod>', $this->format_timestamp( $this->get_last_modified() ) );
// Images.
$images = $this->images_xml();
if ( ! empty( $images ) ) {
$tags[] = $images;
}
return sprintf( "<url>\n%s\n</url>", implode( "\n", $tags ) );
}
}