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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 |
|---|---|
| 70 | |
| 71 | function get_the_guid( $id = 0 ) { |
| 72 | $post = &get_post($id); |
| 73 | |
| 74 | return apply_filters('get_the_guid', $post->guid); |
| 75 | } |
| 76 | |
| 77 | function the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') { |
| 78 | $content = get_the_content($more_link_text, $stripteaser, $more_file); |
| 79 | $content = apply_filters('the_content', $content); |
| 80 | $content = str_replace(']]>', ']]>', $content); |
| 81 | echo $content; |
| 82 | } |
| 83 | |
| 84 | |
| 85 | function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') { |
| 86 | global $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow; |
| 87 | |
| 88 | $output = ''; |