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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 87 | } |
| 88 | } |
| 89 | if ($preview) { // preview fix for javascript bug with foreign languages |
| 90 | $output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output); |
| 91 | } |
| 92 | return $output; |
| 93 | } |
| 94 | |
| 95 | function the_excerpt() { |
| 96 | echo apply_filters('the_excerpt', get_the_excerpt()); |
| 97 | } |
| 98 | |
| 99 | function get_the_excerpt($fakeit = true) { |
| 100 | global $id, $post; |
| 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.'); |