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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 |
|---|---|
| 652 | * Filters the comment author's URL cookie before it is set. |
| 653 | * |
| 654 | * When this filter hook is evaluated in wp_filter_comment(), |
| 655 | * the comment author's URL string is passed. |
| 656 | * |
| 657 | * @since 1.5.0 |
| 658 | * |
| 659 | * @param string $author_url_cookie The comment author URL cookie. |
| 660 | */ |
| 661 | $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ); |
| 662 | $comment_author_url = wp_unslash( $comment_author_url ); |
| 663 | |
| 664 | $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] = $comment_author_url; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | /** |
| 669 | * Validates whether this comment is allowed to be made. |
| 670 | * |
| Line | Code |
| 2176 | /** |
| 2177 | * Filters the comment author's IP address before it is set. |
| 2178 | * |
| 2179 | * @since 1.5.0 |
| 2180 | * |
| 2181 | * @param string $comment_author_ip The comment author's IP address. |
| 2182 | */ |
| 2183 | $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); |
| 2184 | /** This filter is documented in wp-includes/comment.php */ |
| 2185 | $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); |
| 2186 | /** This filter is documented in wp-includes/comment.php */ |
| 2187 | $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); |
| 2188 | |
| 2189 | $commentdata['filtered'] = true; |
| 2190 | |
| 2191 | return $commentdata; |
| 2192 | } |
| 2193 | |
| 2194 | /** |