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Source View: do_robots

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

This hook occurs 2 times in this file.

Line Code
1 <?php
2 if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
3      do_action('template_redirect');
4      if ( is_robots() ) {
5           do_action('do_robots');
6           exit;
7      } else if ( is_feed() ) {
8           do_feed();
9           exit;
10      } else if ( is_trackback() ) {
11           include(ABSPATH . '/wp-trackback.php');
12           exit;
13      } else if ( is_404() && $template = get_404_template() ) {
14           include($template);
 
Line Code
53      } else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
54           if ( is_attachment() )
55                add_filter('the_content', 'prepend_attachment');
56           include(TEMPLATEPATH . "/index.php");
57           exit;
58      }
59 } else {
60      // Process feeds and trackbacks even if not using themes.
61      if ( is_robots() ) {
62           do_action('do_robots');
63           exit;
64      } else if ( is_feed() ) {
65           do_feed();
66           exit;
67      } else if ( is_trackback() ) {
68           include(ABSPATH . '/wp-trackback.php');
69           exit;
70      }
71 }