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Source View: get_the_excerpt

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
101      $output = '';
102      $output = $post->post_excerpt;
103      if (!empty($post->post_password)) { // if there's a password
104           if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) {  // and it doesn't match the cookie
105                $output = __('There is no excerpt because this is a protected post.');
106                return $output;
107           }
108      }
109
110      return apply_filters('get_the_excerpt', $output);
111 }
112
113 function wp_link_pages($args = '') {
114      parse_str($args, $r);
115      if (!isset($r['before'])) $r['before'] = '<p>' . __('Pages:');
116      if (!isset($r['after'])) $r['after'] = '</p>';
117      if (!isset($r['next_or_number'])) $r['next_or_number'] = 'number';
118      if (!isset($r['nextpagelink'])) $r['nextpagelink'] = 'Next page';
119      if (!isset($r['previouspagelink'])) $r['previouspagelink'] = 'Previous page';