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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 |
|---|---|
| 581 | * Filters the comment author's URL cookie before it is set. |
| 582 | * |
| 583 | * When this filter hook is evaluated in wp_filter_comment(), |
| 584 | * the comment author's URL string is passed. |
| 585 | * |
| 586 | * @since 1.5.0 |
| 587 | * |
| 588 | * @param string $author_url_cookie The comment author URL cookie. |
| 589 | */ |
| 590 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] ); |
| 591 | $comment_author_url = wp_unslash($comment_author_url); |
| 592 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | /** |
| 597 | * Validates whether this comment is allowed to be made. |
| 598 | * |
| 599 | * @since 2.0.0 |
| Line | Code |
| 1822 | /** |
| 1823 | * Filters the comment author's IP before it is set. |
| 1824 | * |
| 1825 | * @since 1.5.0 |
| 1826 | * |
| 1827 | * @param string $comment_author_ip The comment author's IP. |
| 1828 | */ |
| 1829 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 1830 | /** This filter is documented in wp-includes/comment.php */ |
| 1831 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 1832 | /** This filter is documented in wp-includes/comment.php */ |
| 1833 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 1834 | $commentdata['filtered'] = true; |
| 1835 | return $commentdata; |
| 1836 | } |
| 1837 | |
| 1838 | /** |
| 1839 | * Whether a comment should be blocked because of comment flood. |
| 1840 | * |