' . __( 'Learn how to upgrade', 'woocommerce' ) . '
',
add_query_arg(
array(
'utm_source' => 'wpphpupdatebanner',
'utm_medium' => 'product',
'utm_campaign' => 'woocommerceplugin',
'utm_content' => 'docs',
),
'https://docs.woocommerce.com/document/update-php-wordpress/'
)
)
);
?>