Change “in stock” / “out stock” text in Woocommerce single product page

In this tutorial you will learn how we can change “in stock” / “out stock” text with the custom. We will use custom snippet for this.

/**
 * @snippet: Change stock availability text in single product page
 * @author: Deep P. Goyal
*/

add_filter( 'woocommerce_get_availability', 'wpexpertdeep_change_availability_text', 1, 2);
function wpexpertdeep_change_availability_text( $availability, $_product ) {
    
    // Change In Stock Text
    if ( $_product->is_in_stock() ) {
        $availability['availability'] = __('Available!', 'woocommerce');
    }
    // Change Out of Stock Text
    if ( ! $_product->is_in_stock() ) {
        $availability['availability'] = __('Sold Out', 'woocommerce');
    }
    return $availability;
}

Just copy the above snippet and paste in your active theme’s functions.php file.