← All changes | modules/sitemaps/sitemap-buffer-image-xmlwriter.php +85 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,85 @@
	1	+<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
	2	+/**
	3	+ * XMLWriter implementation of the image sitemap buffer.
	4	+ *
	5	+ * @since 14.6
	6	+ * @package automattic/jetpack
	7	+ */
	8	+
	9	+if ( ! defined( 'ABSPATH' ) ) {
	10	+ exit( 0 );
	11	+}
	12	+
	13	+/**
	14	+ * A buffer for constructing sitemap image xml files using XMLWriter.
	15	+ *
	16	+ * @since 14.6
	17	+ */
	18	+class Jetpack_Sitemap_Buffer_Image_XMLWriter extends Jetpack_Sitemap_Buffer_XMLWriter {
	19	+ /**
	20	+ * Initialize the buffer with required headers (no root element here).
	21	+ */
	22	+ protected function initialize_buffer() {
	23	+ // Add generator comment
	24	+ $this->writer->writeComment( "generator='jetpack-" . JETPACK__VERSION . "'" );
	25	+ $this->writer->writeComment( 'Jetpack_Sitemap_Buffer_Image_XMLWriter' );
	26	+
	27	+ // Add stylesheet
	28	+ $this->writer->writePi(
	29	+ 'xml-stylesheet',
	30	+ 'type="text/xsl" href="' . $this->finder->construct_sitemap_url( 'image-sitemap.xsl' ) . '"'
	31	+ );
	32	+ }
	33	+
	34	+ /**
	35	+ * Start the root element and write its namespaces.
	36	+ */
	37	+ protected function start_root() {
	38	+ $this->writer->startElement( 'urlset' );
	39	+
	40	+ /**
	41	+ * Filter the XML namespaces included in image sitemaps.
	42	+ *
	43	+ * @module sitemaps
	44	+ *
	45	+ * @since 4.8.0
	46	+ *
	47	+ * @param array $namespaces Associative array with namespaces and namespace URIs.
	48	+ */
	49	+ $namespaces = apply_filters(
	50	+ 'jetpack_sitemap_image_ns',
	51	+ array(
	52	+ 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
	53	+ 'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd',
	54	+ 'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9',
	55	+ 'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1',
	56	+ )
	57	+ );
	58	+
	59	+ foreach ( $namespaces as $name => $value ) {
	60	+ $this->writer->writeAttribute( $name, $value );
	61	+ }
	62	+ }
	63	+
	64	+ /**
	65	+ * Append a URL entry with image information to the sitemap.
	66	+ *
	67	+ * @param array $array The URL item to append.
	68	+ */
	69	+ protected function append_item( $array ) {
	70	+ if ( ! isset( $array['url'] ) || ! is_array( $array['url'] ) ) {
	71	+ return;
	72	+ }
	73	+
	74	+ if ( isset( $array['url']['image:image'] ) ) {
	75	+ if ( empty( $array['url']['image:image']['image:title'] ) ) {
	76	+ unset( $array['url']['image:image']['image:title'] );
	77	+ }
	78	+ if ( empty( $array['url']['image:image']['image:caption'] ) ) {
	79	+ unset( $array['url']['image:image']['image:caption'] );
	80	+ }
	81	+ }
	82	+
	83	+ $this->array_to_xml( $array );
	84	+ }
	85	+}