Static Excerpts for WordPress

functions.php

<?php
/**
  *
  *** Static Excerpts for WordPress
  *** Author: Binit Ghimire
  *** Author URL: https://WHOISbinit.me/

  *** How to use?
	* 1. Insert this piece of code at the end of your Theme Functions file (i.e. functions.php)!
	* 2. Replace the content written inside double quotes (" and ") in Line 17 with the static excerpt content that you'd like to use!
  ***
  *
  *** Make sure to give proper credits to the author while sharing this code with others!
  *
**/

function static_excerpt_wordpress( $excerpt ) {
	if ( is_admin() ) {
		return $excerpt;
	}
	$excerpt = "Hello, there! This is my static excerpt.";
	$excerpt .= '<p class="your-read-more-area-class"><a title="'.get_the_title().'" class="your-read-more-button-class" href="'.get_the_permalink().'">Read More<span class="screen-reader-text">'.get_the_title().'</span></a></p>';
	return $excerpt;
}
add_filter( 'get_the_excerpt', 'static_excerpt_wordpress', 0 );

?>