sanitize_title()

sanitize_title( string $title, string $fallback_title = '', string $context = 'save' ): string

function sanitize_title( $title, $fallback_title = '', $context = 'save' ) {
	$raw_title = $title;

	if ( 'save' === $context ) {
		$title = remove_accents( $title );
	}

	/**
	 * Filters a sanitized title string.
	 *
	 * @since 1.2.0
	 *
	 * @param string $title     Sanitized title.
	 * @param string $raw_title The title prior to sanitization.
	 * @param string $context   The context for which the title is being sanitized.
	 */
	$title = apply_filters( 'sanitize_title', $title, $raw_title, $context );

	if ( '' === $title || false === $title ) {
		$title = $fallback_title;
	}

	return $title;
}