Код необходимо добавить в function.php:
add_filter( 'woocommerce_product_add_to_cart_text', 'custom_add_to_cart_price', 20, 2 ); // Shop and other archives pages
add_filter( 'woocommerce_product_single_add_to_cart_text', 'custom_add_to_cart_price', 20, 2 ); // Single product pages
function custom_add_to_cart_price( $button_text, $product ) {
if( $product->is_type('variable') ) { // Variable products
if( ! is_product() ){ // shop and archives
$product_price = wc_price( wc_get_price_to_display( $product, array( 'price' => $product->get_variation_price() ) ) );
return $button_text . ' - From ' . strip_tags( $product_price );
} else { // Single product pages
return $button_text;
}
} else { // All other product types
$product_price = wc_price( wc_get_price_to_display( $product ) );
return $button_text . ' - Just ' . strip_tags( $product_price );
}
}