add_action('breadcrumb_main_item_loop', 'breadcrumb_main_item_loop_20200203');

if(!function_exists('breadcrumb_main_item_loop_20200203')) {
    function breadcrumb_main_item_loop_20200203($item){

        //echo '<pre>'.var_export($item, true).'</pre>';

        ?>
        <span>Loop item text</span>
        <?php

    }
}

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