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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1760 | $post = get_post( $post_id ); |
| 1761 | $to_ping = get_to_ping($post_id); |
| 1762 | $pinged = get_pung($post_id); |
| 1763 | if ( empty($to_ping) ) { |
| 1764 | $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) ); |
| 1765 | return; |
| 1766 | } |
| 1767 | |
| 1768 | if ( empty($post->post_excerpt) ) |
| 1769 | $excerpt = apply_filters('the_content', $post->post_content, $post->ID); |
| 1770 | else |
| 1771 | $excerpt = apply_filters('the_excerpt', $post->post_excerpt); |
| 1772 | $excerpt = str_replace(']]>', ']]>', $excerpt); |
| 1773 | $excerpt = wp_html_excerpt($excerpt, 252, '…'); |
| 1774 | |
| 1775 | /** This filter is documented in wp-includes/post-template.php */ |
| 1776 | $post_title = apply_filters('the_title', $post->post_title, $post->ID); |
| 1777 | $post_title = strip_tags($post_title); |
| 1778 | |