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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 |
|---|---|
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * Filters the lengths for the comment form fields. |
| 1204 | * |
| 1205 | * @since 4.5.0 |
| 1206 | * |
| 1207 | * @param int[] $lengths Array of maximum lengths keyed by field name. |
| 1208 | */ |
| 1209 | return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths ); |
| 1210 | } |
| 1211 | |
| 1212 | /** |
| 1213 | * Compares the lengths of comment data against the maximum character limits. |
| 1214 | * |
| 1215 | * @since 4.7.0 |
| 1216 | * |
| 1217 | * @param array $comment_data Array of arguments for inserting a comment. |
| 1218 | * @return WP_Error|true WP_Error when a comment field exceeds the limit, |