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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 |
|---|---|
| 934 | if ($for_comments) |
| 935 | load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); |
| 936 | else |
| 937 | load_template( ABSPATH . WPINC . '/feed-atom.php' ); |
| 938 | } |
| 939 | |
| 940 | function do_robots() { |
| 941 | header( 'Content-Type: text/plain; charset=utf-8' ); |
| 942 | |
| 943 | do_action( 'do_robotstxt' ); |
| 944 | |
| 945 | if ( '0' == get_option( 'blog_public' ) ) { |
| 946 | echo "User-agent: *\n"; |
| 947 | echo "Disallow: /\n"; |
| 948 | } else { |
| 949 | echo "User-agent: *\n"; |
| 950 | echo "Disallow:\n"; |
| 951 | } |
| 952 | } |