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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.
| Line | Code |
|---|---|
| 1251 | } |
| 1252 | |
| 1253 | /** |
| 1254 | * Filters the lengths for the comment form fields. |
| 1255 | * |
| 1256 | * @since 4.5.0 |
| 1257 | * |
| 1258 | * @param int[] $lengths Array of maximum lengths keyed by field name. |
| 1259 | */ |
| 1260 | return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths ); |
| 1261 | } |
| 1262 | |
| 1263 | /** |
| 1264 | * Compares the lengths of comment data against the maximum character limits. |
| 1265 | * |
| 1266 | * @since 4.7.0 |
| 1267 | * |
| 1268 | * @param array $comment_data Array of arguments for inserting a comment. |
| 1269 | * @return WP_Error|true WP_Error when a comment field exceeds the limit, |