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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 |
|---|---|
| 621 | * Filters the comment author's URL cookie before it is set. |
| 622 | * |
| 623 | * When this filter hook is evaluated in wp_filter_comment(), |
| 624 | * the comment author's URL string is passed. |
| 625 | * |
| 626 | * @since 1.5.0 |
| 627 | * |
| 628 | * @param string $author_url_cookie The comment author URL cookie. |
| 629 | */ |
| 630 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ); |
| 631 | $comment_author_url = wp_unslash( $comment_author_url ); |
| 632 | |
| 633 | $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] = $comment_author_url; |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * Validates whether this comment is allowed to be made. |
| 639 | * |
| Line | Code |
| 2123 | /** |
| 2124 | * Filters the comment author's IP address before it is set. |
| 2125 | * |
| 2126 | * @since 1.5.0 |
| 2127 | * |
| 2128 | * @param string $comment_author_ip The comment author's IP address. |
| 2129 | */ |
| 2130 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 2131 | /** This filter is documented in wp-includes/comment.php */ |
| 2132 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 2133 | /** This filter is documented in wp-includes/comment.php */ |
| 2134 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 2135 | |
| 2136 | $commentdata['filtered'] = true; |
| 2137 | |
| 2138 | return $commentdata; |
| 2139 | } |
| 2140 | |
| 2141 | /** |