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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 |
---|---|
870 | load_template(ABSPATH . WPINC . '/feed-atom-comments.php'); |
871 | } else { |
872 | load_template(ABSPATH . WPINC . '/feed-atom.php'); |
873 | } |
874 | } |
875 |
|
876 | function do_robots() { |
877 | header('Content-Type: text/plain; charset=utf-8'); |
878 |
|
879 | do_action('do_robotstxt'); |
880 |
|
881 | if ( '0' == get_option('blog_public') ) { |
882 | echo "User-agent: *\n"; |
883 | echo "Disallow: /\n"; |
884 | } else { |
885 | echo "User-agent: *\n"; |
886 | echo "Disallow:\n"; |
887 | } |
888 | } |