/**
 * Change Read more text.
 *
 * @since 1.0.0
 *
 * @return string
 */
function manta_modify_excerpt_teaser() {
	$url  = esc_url( get_permalink() );
	$text = esc_html( get_theme_mod( 'manta_excerpt_teaser', manta_get_theme_defaults( 'manta_excerpt_teaser' ) ) );
	$title = get_the_title();

	if ( 0 === strlen( $title ) ) {
		$screen_reader = '';
	} else {
		$screen_reader = sprintf( '<span class="screen-reader-text">%s</span>', $title );
	}

	$excerpt_teaser = sprintf( '[...]<p class="link-more"><a class="more-link" href="%1$s">%2$s %3$s</a></p>', $url, $text, $screen_reader );
	return $excerpt_teaser;
}
add_filter( 'excerpt_more', 'manta_modify_excerpt_teaser', 12 );