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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 |
|---|---|
| 643 | * Filters the comment author's URL cookie before it is set. |
| 644 | * |
| 645 | * When this filter hook is evaluated in wp_filter_comment(), |
| 646 | * the comment author's URL string is passed. |
| 647 | * |
| 648 | * @since 1.5.0 |
| 649 | * |
| 650 | * @param string $author_url_cookie The comment author URL cookie. |
| 651 | */ |
| 652 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ); |
| 653 | $comment_author_url = wp_unslash( $comment_author_url ); |
| 654 | $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] = $comment_author_url; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Validates whether this comment is allowed to be made. |
| 660 | * |
| 661 | * @since 2.0.0 |
| Line | Code |
| 2098 | /** |
| 2099 | * Filters the comment author's IP address before it is set. |
| 2100 | * |
| 2101 | * @since 1.5.0 |
| 2102 | * |
| 2103 | * @param string $comment_author_ip The comment author's IP address. |
| 2104 | */ |
| 2105 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 2106 | /** This filter is documented in wp-includes/comment.php */ |
| 2107 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 2108 | /** This filter is documented in wp-includes/comment.php */ |
| 2109 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 2110 | $commentdata['filtered'] = true; |
| 2111 | return $commentdata; |
| 2112 | } |
| 2113 | |
| 2114 | /** |
| 2115 | * Whether a comment should be blocked because of comment flood. |
| 2116 | * |