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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 |
|---|---|
| 595 | * Filters the comment author's URL cookie before it is set. |
| 596 | * |
| 597 | * When this filter hook is evaluated in wp_filter_comment(), |
| 598 | * the comment author's URL string is passed. |
| 599 | * |
| 600 | * @since 1.5.0 |
| 601 | * |
| 602 | * @param string $author_url_cookie The comment author URL cookie. |
| 603 | */ |
| 604 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] ); |
| 605 | $comment_author_url = wp_unslash($comment_author_url); |
| 606 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | /** |
| 611 | * Validates whether this comment is allowed to be made. |
| 612 | * |
| 613 | * @since 2.0.0 |
| Line | Code |
| 1852 | /** |
| 1853 | * Filters the comment author's IP address before it is set. |
| 1854 | * |
| 1855 | * @since 1.5.0 |
| 1856 | * |
| 1857 | * @param string $comment_author_ip The comment author's IP address. |
| 1858 | */ |
| 1859 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 1860 | /** This filter is documented in wp-includes/comment.php */ |
| 1861 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 1862 | /** This filter is documented in wp-includes/comment.php */ |
| 1863 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 1864 | $commentdata['filtered'] = true; |
| 1865 | return $commentdata; |
| 1866 | } |
| 1867 | |
| 1868 | /** |
| 1869 | * Whether a comment should be blocked because of comment flood. |
| 1870 | * |