How to Limit WordPress Post Excerpt Length Using Number Of Words

Solution for limiting wordpress post excerpt length with number of words. Add the following code to your theme function.php file.

function excerpt($limit) {
  $excerpt = explode(' ', get_the_excerpt(), $limit);
  if (count($excerpt)>=$limit) {
    array_pop($excerpt);
    $excerpt = implode(" ",$excerpt).'...';
  } else {
    $excerpt = implode(" ",$excerpt);
  }	
  $excerpt = preg_replace('`[[^]]*]`','',$excerpt);
  return $excerpt;
}
 
function content($limit) {
  $content = explode(' ', get_the_content(), $limit);
  if (count($content)>=$limit) {
    array_pop($content);
    $content = implode(" ",$content).'...';
  } else {
    $content = implode(" ",$content);
  }	
  $content = preg_replace('/[.+]/','', $content);
  $content = apply_filters('the_content', $content); 
  $content = str_replace(']]>', ']]>', $content);
  return $content;
}

Finally, echo content with following code. You can change the content limit from 30 to your own word limit.

<?php echo excerpt(30); ?>