<p>I could use some help from you, thank you very much for your efforts! </p><p>My problem is that the installed plugin replaces the standard add to cart button on the product page. I don't want to change it and I need to add a second add to cart button below it. The problem is, another plugin for free product samples requires a regular add to cart button. </p><p>When I add the global script it works on all products. </p><p><br /></p> <pre class="brush:php;toolbar:false;">Add_action( 'woocommerce_product_meta_start', 'woocommerce_template_single_add_to_cart, 1 );</pre> <p>I would like this feature added to the product tab and can be enabled or disabled on selected products via a checkbox. </p><p>So far, my code has done nothing. The checkboxes work and the checkboxes save fine. But the code snippet does not execute the add to cart command on the product frontend page. </p><p><br /></p> <pre class="brush:php;toolbar:false;">// Add checkbox field to the Product tab in the admin area function add_checkbox_to_product_tab() { // Add checkbox field to the General tab woocommerce_wp_checkbox( array( 'id' => 'add_to_cart_checkbox', 'label' => 'Warenkorb Hinzufügen', 'desc_tip' => false, // true or false, show description directly or as tooltip 'description' => 'ja' ) ); } add_action( 'woocommerce_product_options_general_product_data', 'add_checkbox_to_product_tab' ); // Save checkbox field value function save_checkbox_value( $product ) { $checkbox = isset( $_POST['add_to_cart_checkbox'] ) ? 'yes' : 'no'; $product->update_meta_data( 'add_to_cart_checkbox', $checkbox ); } add_action( 'woocommerce_admin_process_product_object', 'save_checkbox_value' ); // Add action when checkbox is selected with 'yes' function add_action_when_checkbox_selected( $product_id ) { $checkbox_value = get_post_meta( $product_id, '_add_to_cart_checkbox', true ); if ( $checkbox_value == 'yes' ) { do_action( 'woocommerce_product_meta_start' ); do_action( 'woocommerce_template_single_add_to_cart' ); } } add_action( 'woocommerce_template_single_add_to_cart', 'add_action_when_checkbox_selected', 1 );</pre> <p><br /></p>

// Add a checkbox field to the Product tab in the admin area
function add_checkbox_to_product_tab() {
    // Add checkbox field to the General tab
    woocommerce_wp_checkbox( array(
        'id' => 'add_to_cart_checkbox',
        'label' => 'Warenkorb Hinzufügen',
        'desc_tip' => false,
        'description' => 'ja'
    ) );
}
add_action( 'woocommerce_product_options_general_product_data', 'add_checkbox_to_product_tab' );

// Save checkbox field value
function save_checkbox_value( $product ) {
    $checkbox = isset( $_POST['add_to_cart_checkbox'] ) ? 'yes' : 'no';
    $product->update_meta_data( 'add_to_cart_checkbox', $checkbox );
}
add_action( 'woocommerce_admin_process_product_object', 'save_checkbox_value' );

// Remove standard "Add to Cart" button if checkbox value is 'no'
function add_custom_add_to_cart_button() {
    global $product;
    $checkbox_value = $product->get_meta( 'add_to_cart_checkbox' );
    if ( $checkbox_value == 'yes' ) {
        // Add your custom "Add to Cart" button code here
        echo '<a href="' . esc_url( $product->add_to_cart_url() ) . '" class="button alt">Custom Add to Cart</a>';
    }
}
add_action( 'woocommerce_product_meta_start', 'add_custom_add_to_cart_button', 40 );