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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
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/** |
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* XMLWriter implementation of the image sitemap buffer. |
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* |
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* @since 14.6 |
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* @package automattic/jetpack |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit( 0 ); |
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} |
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|
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/** |
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* A buffer for constructing sitemap image xml files using XMLWriter. |
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* |
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* @since 14.6 |
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*/ |
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class Jetpack_Sitemap_Buffer_Image_XMLWriter extends Jetpack_Sitemap_Buffer_XMLWriter { |
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/** |
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* Initialize the buffer with required headers (no root element here). |
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*/ |
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protected function initialize_buffer() { |
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// Add generator comment |
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$this->writer->writeComment( "generator='jetpack-" . JETPACK__VERSION . "'" ); |
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$this->writer->writeComment( 'Jetpack_Sitemap_Buffer_Image_XMLWriter' ); |
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|
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// Add stylesheet |
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$this->writer->writePi( |
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'xml-stylesheet', |
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'type="text/xsl" href="' . $this->finder->construct_sitemap_url( 'image-sitemap.xsl' ) . '"' |
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); |
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} |
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|
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/** |
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* Start the root element and write its namespaces. |
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*/ |
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protected function start_root() { |
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$this->writer->startElement( 'urlset' ); |
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|
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/** |
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* Filter the XML namespaces included in image sitemaps. |
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* |
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* @module sitemaps |
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* |
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* @since 4.8.0 |
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* |
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* @param array $namespaces Associative array with namespaces and namespace URIs. |
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*/ |
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$namespaces = apply_filters( |
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'jetpack_sitemap_image_ns', |
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array( |
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'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance', |
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'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd', |
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'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9', |
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'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1', |
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) |
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); |
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|
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foreach ( $namespaces as $name => $value ) { |
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$this->writer->writeAttribute( $name, $value ); |
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} |
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} |
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|
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/** |
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* Append a URL entry with image information to the sitemap. |
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* |
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* @param array $array The URL item to append. |
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*/ |
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protected function append_item( $array ) { |
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if ( ! isset( $array['url'] ) || ! is_array( $array['url'] ) ) { |
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return; |
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} |
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|
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if ( isset( $array['url']['image:image'] ) ) { |
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if ( empty( $array['url']['image:image']['image:title'] ) ) { |
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unset( $array['url']['image:image']['image:title'] ); |
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} |
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if ( empty( $array['url']['image:image']['image:caption'] ) ) { |
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unset( $array['url']['image:image']['image:caption'] ); |
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} |
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} |
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|
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$this->array_to_xml( $array ); |
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} |
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} |
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|
