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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 |
|---|---|
| 1240 | * Filter the comment author's name cookie before it is set. |
| 1241 | * |
| 1242 | * When this filter hook is evaluated in wp_filter_comment(), |
| 1243 | * the comment author's name string is passed. |
| 1244 | * |
| 1245 | * @since 1.5.0 |
| 1246 | * |
| 1247 | * @param string $author_cookie The comment author name cookie. |
| 1248 | */ |
| 1249 | $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] ); |
| 1250 | $comment_author = wp_unslash($comment_author); |
| 1251 | $comment_author = esc_attr($comment_author); |
| 1252 | $_COOKIE['comment_author_' . COOKIEHASH] = $comment_author; |
| 1253 | } |
| 1254 | |
| 1255 | if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) { |
| 1256 | /** |
| 1257 | * Filter the comment author's email cookie before it is set. |
| 1258 | * |
| Line | Code |
| 2186 | /** |
| 2187 | * Filter the comment author's browser user agent before it is set. |
| 2188 | * |
| 2189 | * @since 1.5.0 |
| 2190 | * |
| 2191 | * @param int $comment_agent The comment author's browser user agent. |
| 2192 | */ |
| 2193 | $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); |
| 2194 | /** This filter is documented in wp-includes/comment.php */ |
| 2195 | $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); |
| 2196 | /** |
| 2197 | * Filter the comment content before it is set. |
| 2198 | * |
| 2199 | * @since 1.5.0 |
| 2200 | * |
| 2201 | * @param int $comment_content The comment content. |
| 2202 | */ |
| 2203 | $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); |
| 2204 | /** |