CODE EXAMPLE FOR PHP

WooCommerce Change Add To Cart Button Text

add_filter('woocommerce_product_add_to_cart_text', 'exploretech_change_woocommerce_custom_add_to_cart_text', 11, 2);
function exploretech_change_woocommerce_custom_add_to_cart_text($text, $product) {
    return "My Custom Text";
}