PHP code example of automattic / msm-sitemap

1. Go to this page and download the library: Download automattic/msm-sitemap library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

automattic / msm-sitemap example snippets


add_filter( 'msm_sitemap_index', function( $sitemaps ) {
    $reference_date = strtotime( '2017-09-09' );

    return array_filter( $sitemaps, function ( $date ) use ( $reference_date ) {
        return ( $reference_date < strtotime( $date ) );
    } );
} );


function ( $query, $post_types_in, $date ) {
    global $wpdb;

    $query = $wpdb->prepare( "SELECT ID, post_date FROM $wpdb->posts WHERE post_type IN ( {$post_types_in} ) AND post_status = 'publish' AND post_date >= DATE_SUB(NOW(), INTERVAL 3 MONTH) AND post_modified_gmt >= %s LIMIT 1000", $date );

    return $query;
};