wpdb::process_field_charsets( array $data, string $table ): array|false

2932	protected function process_field_charsets( $data, $table ) {2933		foreach ( $data as $field => $value ) {2934			if ( '%d' === $value['format'] || '%f' === $value['format'] ) {2935				/*2936				 * We can skip this field if we know it isn't a string.2937				 * This checks %d/%f versus ! %s because its sprintf() could take more.2938				 */2939				$value['charset'] = false;2940			} else {2941				$value['charset'] = $this->get_col_charset( $table, $field );2942				if ( is_wp_error( $value['charset'] ) ) {2943					return false;2944				}2945			}2946 2947			$data[ $field ] = $value;2948		}2949 2950		return $data;2951	}