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<?php
        $excerpt = get_the_content();
        $excerpt = preg_replace(" (\[.*?\])", '', $excerpt);
        $excerpt = strip_shortcodes($excerpt);
        $excerpt = strip_tags($excerpt);
        $excerpt = substr($excerpt, 0, 460);
        $excerpt = substr($excerpt, 0, strripos($excerpt, " "));
        $excerpt = trim(preg_replace('/\s+/', ' ', $excerpt));
        $excerpt = $excerpt . '...';
        echo $excerpt;
        ?>