If you want to change the excerpt length in wordpress from the default length of 55 words to custom excerpt length,then there is a simple way to do it.Here is the code that you must add to your theme’s function.php file in order to change the excerpt length and customize it as per your requirement.
function new_excerpt_length($length) {
return 30;
}
add_filter('excerpt_length', 'new_excerpt_length');
That is all.
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