24 Simple Woocommerce Hacks For Every Store

add_filter( 'woocommerce_product_tabs', 'custom_tab' );
function custom_tab( $tabs ) {	
	// Adds the new tab
	$tabs['form'] = array(
		'title' 	=> __( 'Send us an enquiry', 'woocommerce' ),
		'priority' 	=> 30,
		'callback' 	=> 'custom_tab_content'
	);
	return $tabs;
}
function custom_tab_content() {

	// The new tab content

	echo '<h4>Send us an enquiry</h4>';
	echo '<p>Lorem ipsum dolor sit amet consectetur adipiscing elit ultricies convallis volutpat, placerat proin scelerisque eget velit tellus at nibh risus. </p>';
	echo do_shortcode( '' );
}

// works for Simple and Variable type
$regular_price = get_post_meta( $product->get_id(), '_regular_price', true ); // 36.32
$sale_price = get_post_meta( $product->get_id(), '_sale_price', true ); // 24.99

if( !empty($sale_price) ) {

$saved_amount = $regular_price – $sale_price;
$currency_symbol = get_woocommerce_currency_symbol();

$percentage = round( ( ( $regular_price – $sale_price ) / $regular_price ) * 100 );
?>
<p class="you_save_price">You save: <?php echo $currency_symbol .''. number_format($saved_amount, 2, '.', ''); ?></p>

function you_save_text_for_product() {
	global $product;

	// works for Simple and Variable type
	$regular_price 	= get_post_meta( $product->get_id(), '_regular_price', true ); // 36.32
	$sale_price 	= get_post_meta( $product->get_id(), '_sale_price', true ); // 24.99
		
	if( !empty($sale_price) ) {
	
		$saved_amount 		= $regular_price - $sale_price;
		$currency_symbol 	= get_woocommerce_currency_symbol();

		$percentage = round( ( ( $regular_price - $sale_price ) / $regular_price ) * 100 );
		?>
			<p class="you_save_price">You save: <?php echo $currency_symbol .''. number_format($saved_amount, 2, '.', ''); ?></p>				
		<?php		
	} 
		
}
add_action( 'woocommerce_single_product_summary', 'you_save_text_for_product', 12 ); // hook priority

if( $variation->is_on_sale() ) {
$saved_amount = $data['display_regular_price'] – $data['display_price'];
$percentage = round( $saved_amount / $data['display_regular_price'] * 100 );

$data['price_html'] .= '<p id="you_save_price">'. __("You Save") .': ' . wc_price($saved_amount) . ' ('.$percentage.'%)

// For product variations (on variable products)
add_filter( 'woocommerce_available_variation', 'variable_product_saving_amount', 10, 3 );
function variable_product_saving_amount( $data, $product, $variation ) {

    if( $variation->is_on_sale() ) {
        $saved_amount  = $data['display_regular_price'] - $data['display_price'];
        $percentage    = round( $saved_amount / $data['display_regular_price'] * 100 );

        $data['price_html'] .= '<p id="you_save_price">'. __("You Save") .': ' . wc_price($saved_amount) . ' ('.$percentage.'%)</p>';
    }
    return $data;
}

// Display the "You save" line before the subtotal on the Woocommerce cart and checkout pages
add_action( 'woocommerce_cart_totals_before_order_total', 'wpsh_display_you_save_cart' );
add_action( 'woocommerce_review_order_before_order_total', 'wpsh_display_you_save_checkout' );

function wpsh_display_you_save_cart() {
    display_you_save_message();
}

function wpsh_display_you_save_checkout() {
    display_you_save_message();
}

function display_you_save_message() {
    // Get the current WooCommerce cart object
    $cart = WC()->cart;
    $total_savings = 0;
    $tax_based_prices = get_option('woocommerce_prices_include_tax') === 'no';

    // Loop through cart items to calculate total savings
    foreach ( $cart->get_cart() as $cart_item ) {
        $product = $cart_item['data'];
        $quantity = $cart_item['quantity'];

        // Get the correct regular and sale price
        if ( $product->is_type('variable') && $cart_item['variation_id'] ) {
            $variation = wc_get_product( $cart_item['variation_id'] );
            $regular_price = floatval($variation->get_regular_price());
            $sale_price = floatval($variation->get_sale_price());
        } else {
            $regular_price = floatval($product->get_regular_price());
            $sale_price = floatval($product->get_sale_price());
        }

        // Adjust prices if entered exclusive of tax
        if ( $tax_based_prices ) {
            $regular_price = wc_get_price_including_tax($product, array('price' => $regular_price));
            $sale_price = wc_get_price_including_tax($product, array('price' => $sale_price));
        }

        // Ensure sale price is lower than regular price
        if ( $sale_price && $regular_price > $sale_price ) {
            $total_savings += ( $regular_price - $sale_price ) * $quantity;
        }
    }

    // Display the total savings if any
    if ( $total_savings > 0 ) {
        echo '<tr class="order-total">
                <th>' . __( 'You save', 'woocommerce' ) . ':</th>
                <td data-title="' . __( 'You save', 'woocommerce' ) . '">' . wc_price( $total_savings ) . '</td>
              </tr>';
    }
}

add_filter( 'woocommerce_get_price_html', 'wpsh_hide_price', 9999, 2 );
 
function wpsh_hide_price( $price, $product ) {
   if ( is_admin() ) return $price; // BAIL IF BACKEND
   if ( ! $product->is_in_stock() ) {
      $price = apply_filters( 'woocommerce_empty_price_html', '', $product );
   }
   return $price;
}

add_action('woocommerce_single_product_summary', 'out_of_stock_show_form', 20);
function out_of_stock_show_form() {
global $product;
if(!$product->is_in_stock( )) {
echo '<div class="your-form">';
echo 'Unfortunately this product is out of stock.<br>Contact us for more information';
echo do_shortcode('[your-shortcode]'); // Replace with your own contact form shortcode
echo '</div>';
}
}

/* This will show your contact form when the variation is out of stock */

add_filter( 'woocommerce_available_variation', 'variation_out_of_stock_show_form', 10, 3 );
function variation_out_of_stock_show_form( $data, $product, $variation ) {
if( ! $data['is_in_stock'] )
{
$data['availability_html'] = '<div class="your-form">';
$data['availability_html'] .= 'Unfortunately this product is out of stock.<br>Contact us for more information';
$data['availability_html'] .= do_shortcode('[your-shortcode]'); // Replace with your own contact form shortcode
$data['availability_html'] .= '