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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 |
|---|---|
| 2 | require_once('admin.php'); |
| 3 | require_once (ABSPATH . WPINC . '/rss.php'); |
| 4 | |
| 5 | @header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset')); |
| 6 | |
| 7 | switch ( $_GET['jax'] ) { |
| 8 | |
| 9 | case 'incominglinks' : |
| 10 | |
| 11 | $rss_feed = apply_filters( 'dashboard_incoming_links_feed', 'http://blogsearch.google.com/blogsearch_feeds?hl=en&scoring=d&ie=utf-8&num=10&output=rss&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ); |
| 12 | $more_link = apply_filters( 'dashboard_incoming_links_link', 'http://blogsearch.google.com/blogsearch?hl=en&scoring=d&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ); |
| 13 | |
| 14 | $rss = @fetch_rss( $rss_feed ); |
| 15 | if ( isset($rss->items) && 1 < count($rss->items) ) { // Technorati returns a 1-item feed when it has no results |
| 16 | ?> |
| 17 | <h3><?php _e('Incoming Links'); ?> <cite><a href="<?php echo htmlspecialchars( $more_link ); ?>"><?php _e('More »'); ?></a></cite></h3> |
| 18 | <ul> |
| 19 | <?php |
| 20 | $rss->items = array_slice($rss->items, 0, 10); |