Wordpress客製化摘要，自訂摘要及內文

wordpress_custom_excerpt.php

<?php
function my_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 my_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(']]>', ']]&gt;', $content);
      return $content;
}

//Example
//呼叫函數，並給予字數限制
echo my_content(50);