Sometimes, it may be necessary to change the default “Place Order” button text on the WooCommerce Checkout form. Some payment gateways overwrite this text anyway with their own text which is easy enough using a PHP if statement. However, if you have the basic settings set, this quick guide will show you how you can change the button text to anything you deem necessary.
/**
* Snippet Name: Change the WooCommerce Place Order checkout button text.
* Snippet Author: ecommercehints.com
*/
add_filter( 'woocommerce_order_button_text', 'ecommercehints_checkout_button_text' );
function ecommercehints_checkout_button_text( $button_text ) {
return 'Get The Goods!'; // new text is here
}