Change Excerpt Length For All Loops In WordPress Code Example

WordPress has a built-in filter named excerpt_length which has the role to set the excerpt length for all the loops. Simply insert the following piece of code into your functions.php file and adjust the exceprt length number .

add_filter( 'excerpt_length', function($length) {
    return 20; // limited to 20 words
});

Thanks for your time!
Best regards,
Lucas