Add link rel="cannonical" to first page on archives. WordPress Code example

function somarket_noindex_paged() {
	if ( is_paged() ) { ?>

		<link rel=”canonical” href=”<?php
		global $wp;
		$current_url = home_url( add_query_arg( array(), $wp->request ) );
		$s           = home_url( add_query_arg( array(), $wp->request ) );
		echo strstr( $s, 'page', true ); ?>" />
		<?php
	}
}

add_action( 'wp_head', 'somarket_noindex_paged', 2 );