WP_SimplePie_Sanitize_KSES::sanitize( mixed $data, int $type, string $base = '' ): mixed

34	public function sanitize( $data, $type, $base = '' ) {35		$data = trim( $data );36		if ( $type & SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML ) {37			if ( preg_match( '/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data ) ) {38				$type |= SimplePie\SimplePie::CONSTRUCT_HTML;39			} else {40				$type |= SimplePie\SimplePie::CONSTRUCT_TEXT;41			}42		}43		if ( $type & SimplePie\SimplePie::CONSTRUCT_BASE64 ) {44			$data = base64_decode( $data );45		}46		if ( $type & ( SimplePie\SimplePie::CONSTRUCT_HTML | \SimplePie\SimplePie::CONSTRUCT_XHTML ) ) {47			$data = wp_kses_post( $data );48			if ( 'UTF-8' !== $this->output_encoding ) {49				$data = $this->registry->call( 'Misc', 'change_encoding', array( $data, 'UTF-8', $this->output_encoding ) );50			}51			return $data;52		} else {53			return parent::sanitize( $data, $type, $base );54		}55	}