Show specific number of words in WordPress post content

specific_number_of_words_wordpress.php

<?php
	// This code can be used directly in the WP loop
  // But neater implementation would be to implement it
  // Into WordPress theme functions.php file  
  
  // instead of using the_content() funcion
	// we use new WordPress function (>3.0) to trim content 
	// to specific number of words
											
	$content = get_the_content();
	//$content = apply_filters('the_content', $content);
	//$content = str_replace(']]>', ']]&gt;', $content);
											
	$content = apply_filters('the_content', $content);
	$content = str_replace(']]>', ']]>', $content);
	$content = wp_trim_words($content, 80, "...");
											
  echo $content;
	
?>