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Limit Character Length in WordPress
Sometimes you want to try limit the character length in WordPress default the_excerpt() length. See following method how to limit the character length.

Code: In your function.php file add following code.
* Changing excerpt length
function get_excerpt($count){
  $permalink = get_permalink($post->ID);
  $excerpt = get_the_content();
  $excerpt = strip_tags($excerpt);
  $excerpt = substr($excerpt, 0, $count);
  $excerpt = $excerpt.'...';
  return $excerpt;
Then where you used <?php the_excerpt(); ?> , you need to replace this by following code
<?php echo get_excerpt(36); ?>
You can change character length value 36 as your wish.