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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 64 | date('H', $unixtime), |
| 65 | date('i', $unixtime), |
| 66 | date('s', $unixtime), |
| 67 | $post->post_name, |
| 68 | $post->ID, |
| 69 | $category, |
| 70 | $author, |
| 71 | $post->post_name, |
| 72 | ); |
| 73 | return apply_filters('post_link', get_settings('home') . str_replace($rewritecode, $rewritereplace, $permalink), $post); |
| 74 | } else { // if they're not using the fancy permalink option |
| 75 | $permalink = get_settings('home') . '/?p=' . $post->ID; |
| 76 | return apply_filters('post_link', $permalink, $post); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | function get_page_link($id = false) { |
| 81 | global $post, $wp_rewrite; |
| 82 | |
| 83 | if (! $id) { |
| 84 | $id = $post->ID; |
| 85 | } |