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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 729 | * Filter the comment author's URL cookie before it is set. |
| 730 | * |
| 731 | * When this filter hook is evaluated in wp_filter_comment(), |
| 732 | * the comment author's URL string is passed. |
| 733 | * |
| 734 | * @since 1.5.0 |
| 735 | * |
| 736 | * @param string $author_url_cookie The comment author URL cookie. |
| 737 | */ |
| 738 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] ); |
| 739 | $comment_author_url = wp_unslash($comment_author_url); |
| 740 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Validates whether this comment is allowed to be made. |
| 746 | * |
| 747 | * @since 2.0.0 |
| Line | Code |
| 1636 | /** |
| 1637 | * Filter the comment author's IP before it is set. |
| 1638 | * |
| 1639 | * @since 1.5.0 |
| 1640 | * |
| 1641 | * @param int $comment_author_ip The comment author's IP. |
| 1642 | */ |
| 1643 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 1644 | /** This filter is documented in wp-includes/comment.php */ |
| 1645 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 1646 | /** This filter is documented in wp-includes/comment.php */ |
| 1647 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 1648 | $commentdata['filtered'] = true; |
| 1649 | return $commentdata; |
| 1650 | } |
| 1651 | |
| 1652 | /** |
| 1653 | * Whether a comment should be blocked because of comment flood. |
| 1654 | * |