mirror of
https://github.com/yunluo/gdk.git
synced 2024-05-23 08:32:18 +02:00
77 lines
2.8 KiB
PHP
77 lines
2.8 KiB
PHP
<?php
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/**
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* sitemap xml
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*/
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function gdk_sitemap_xml_api_handlers( $template ){
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$hook = explode('-', get_query_var( 'sitemap' ) );
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if( isset( $hook[0] ) && $hook[0] === 'gdk' ){
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if( isset( $hook[1] ) ){
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status_header(404);
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header('HTTP/1.0 404 Not Found');
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$GLOBALS['wp_query']->set_404();
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include( get_query_template( '404' ) );
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exit;
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}
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$sitemap = get_transient('gdk-sitemap');
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if( false === $sitemap || empty( $sitemap ) ){
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$sitemap = gdk_create_sitemap();
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set_transient( 'gdk-sitemap', $sitemap );
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}
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header("Content-type: text/xml");
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echo $sitemap;
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return;
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}
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return $template;
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}
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add_filter( 'template_include', 'gdk_sitemap_xml_api_handlers', 99 );
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function gdk_create_sitemap() {
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if ( str_replace( '-', '', get_option( 'gmt_offset' ) ) < 10 ) {
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$tempo = '-0' . str_replace( '-', '', get_option( 'gmt_offset' ) );
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} else {
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$tempo = get_option( 'gmt_offset' );
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}
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if( strlen( $tempo ) == 3 ) { $tempo = $tempo . ':00'; }
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$postsForSitemap = get_posts( array(
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'numberposts' => -1,
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'orderby' => 'modified',
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'post_type' => array('post'),
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'order' => 'DESC',
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) );
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$sitemap = '';
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$sitemap .= '<?xml version="1.0" encoding="UTF-8"?>';
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$sitemap .= "\n" . '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
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$sitemap .= "\t" . '<url>' . "\n" .
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"\t\t" . '<loc>' . esc_url( home_url( '/' ) ) . '</loc>' .
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"\n\t\t" . '<lastmod>' . date( "Y-m-d\TH:i:s", current_time( 'timestamp', 0 ) ) . $tempo . '</lastmod>' .
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"\n\t\t" . '<changefreq>daily</changefreq>' .
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"\n\t\t" . '<priority>1.0</priority>' .
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"\n\t" . '</url>' . "\n";
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foreach( $postsForSitemap as $post ) {
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setup_postdata( $post);
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$postdate = explode( " ", $post->post_modified );
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$sitemap .= "\t" . '<url>' . "\n" .
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"\t\t" . '<loc>' . get_permalink( $post->ID ) . '</loc>' .
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"\n\t\t" . '<lastmod>' . $postdate[0] . 'T' . $postdate[1] . $tempo . '</lastmod>' .
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"\n\t\t" . '<changefreq>Weekly</changefreq>' .
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"\n\t\t" . '<priority>0.5</priority>' .
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"\n\t" . '</url>' . "\n";
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}
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$sitemap .= '</urlset>';
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return $sitemap;
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}
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function gdk_clear_sitemap_cache(){
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delete_transient( 'gdk-sitemap' );
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}
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add_action('publish_post', 'gdk_clear_sitemap_cache');
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add_action('publish_page', 'gdk_clear_sitemap_cache');
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add_action('save_post', 'gdk_clear_sitemap_cache' );
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