Display stock availability in Woo

gistfile1.txt

// WooCommerce Display Stock Availability
add_action( 'woocommerce_single_product_summary', 'wcs_stock_text_shop_page', 25 );
//create our function
function wcs_stock_text_shop_page() {
    //returns an array with 2 items availability and class for CSS
    global $product;
    $availability = $product->get_availability();
    //check if availability in the array = string 'Out of Stock'
    //if so display on page.//if you want to display the 'in stock' messages as well just leave out this, == 'Out of stock'
    if ( $availability['availability']) {
        echo apply_filters( 'woocommerce_stock_html', '<p class="stock ' . esc_attr( $availability['class'] ) . '">' . esc_html( $availability['availability'] ) . '</p>', $availability['availability'] );
    }
}