apply_filters( 'pre_get_table_charset', string|WP_Error|null $charset, string $table )

3214<?php3215		 * @since 4.2.03216		 *3217		 * @param string|WP_Error|null $charset The character set to use, WP_Error object3218		 *                                      if it couldn't be found. Default null.3219		 * @param string               $table   The name of the table being checked.3220		 */3221		$charset = apply_filters( 'pre_get_table_charset', null, $table );3222		if ( null !== $charset ) {3223			return $charset;3224		}3225 3226		if ( isset( $this->table_charset[ $tablekey ] ) ) {3227			return $this->table_charset[ $tablekey ];