How to change the length of excerpt - Wordpress Theme Shortcode

By default all excerpts are capped at 55 words. Utilizing the code below you can override this default settings:

Just copy and paste following codes to yourdomain.com/wp-content/themes/activated-theme/fucntions.php in the most below.

Example: PHP

function new_excerpt_length($length) { 
    return 100;
}

add_filter('excerpt_length', 'new_excerpt_length');