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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 |
|---|---|
| 763 | |
| 764 | add_action('wp_ajax_comment_author_deurl', 'akismet_remove_comment_author_url'); |
| 765 | |
| 766 | function akismet_add_comment_author_url() { |
| 767 | if ( !empty( $_POST['id'] ) && !empty( $_POST['url'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) { |
| 768 | global $wpdb; |
| 769 | $comment = get_comment( intval($_POST['id']), ARRAY_A ); |
| 770 | if (current_user_can('edit_comment', $comment['comment_ID'])) { |
| 771 | $comment['comment_author_url'] = esc_url($_POST['url']); |
| 772 | do_action( 'comment_add_author_url' ); |
| 773 | print(wp_update_comment( $comment )); |
| 774 | die(); |
| 775 | } |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | add_action('wp_ajax_comment_author_reurl', 'akismet_add_comment_author_url'); |
| 780 | |
| 781 | // Check connectivity between the WordPress blog and Akismet's servers. |