+/**
+ * Compares the lengths of comment data against the maximum character limits.
+ *
+ * @since 4.7.0
+ *
+ * @param array $comment_data Array of arguments for inserting a comment.
+ * @return WP_Error|true WP_Error when a comment field exceeds the limit,
+ * otherwise true.
+ */
+function wp_check_comment_data_max_lengths( $comment_data ) {
+ $max_lengths = wp_get_comment_fields_max_lengths();
+
+ if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) {
+ return new WP_Error( 'comment_author_column_length', __( '<strong>ERROR</strong>: your name is too long.' ), 200 );
+ }
+
+ if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) {
+ return new WP_Error( 'comment_author_email_column_length', __( '<strong>ERROR</strong>: your email address is too long.' ), 200 );
+ }
+
+ if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) {
+ return new WP_Error( 'comment_author_url_column_length', __( '<strong>ERROR</strong>: your url is too long.' ), 200 );
+ }
+
+ if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) {
+ return new WP_Error( 'comment_content_column_length', __( '<strong>ERROR</strong>: your comment is too long.' ), 200 );
+ }
+
+ return true;
+}
+