//Excerpt - usage - < ?php echo excerpt(15); ? > - remove the spaces between the < and ?
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;
}

//Excerpt - usage - <?php echo excerpt(15);? >
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;
}

//Excerpt - usage - < ? php echo excerpt(15); ? >
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;
}

http://johnsardine.com

I did not created this, a friend provided it to me, and it seems really usefull so i thought i should share.

Usage: Paste that code in your functions .php and in your theme you put <?php> where 20 is the number of words you want

Wordpress - Custom Except Anywhere

wordpress

PHP