bsk_pdfm_filter_ajax_loader_url
It use AJAX to load next page's content so there's a spinner while loading. The default loader is
If your theme has a non-white background color then you may use this to your owns AJAX loader URL such as
bsk-pdfm-category-selector-ajax-loader is for AJAX loader of selector dropdown.
bsk-pdfm-pagination-ajax-loader is for AJAX loader of pagination.
bsk-pdfm-searchbar-ajax-loader is for AJAX loader of search bar.
Example
/** * Change the default AJAX loader image url * @var String $ajax_loader_url the defualt AJAX loader URL * @return new AJAX loader image url */ add_filter( "bsk_pdfm_filter_ajax_loader_url", "change_selector_ajax_loaer_url" ); function change_selector_ajax_loaer_url( $ajax_loader_url, $ajax_loader_span_class ) { if( $ajax_loader_span_class == 'bsk-pdfm-searchbar-ajax-loader' ){ return 'https://www.bannersky.com/wp-content/uploads/2018/07/bsk-pdfm-ajax-loader-new.gif'; } }