greg.php

function iconic_output_engraving_field() {
	global $product;

	if ( ! check_user_role( 'gewerbe' ) )
		return;
	?>
	<hr>
    <div class="iconic-engraving-field">
        <p class="form-row legal terms wc-terms-and-conditions">
            <input type="checkbox" class="input-checkbox" name="duplicating" id="duplicating">
            <input type="text" class="input-checkbox" name="duplicating-price" id="duplicating-price">
            <label for="duplicating" class="woocommerce-form__label woocommerce-form__label--for-checkbox checkbox"></label>
        </p>
    </div>
	<?php
}
add_action( 'woocommerce_after_add_to_cart_button', 'iconic_output_engraving_field', 10 );

function iconic_add_engraving_text_to_order_items( $item, $cart_item_key, $values, $order ) {
	if ( empty( $values['duplicating-price'] ) ) {
		return;
	}
	$item->add_meta_data( __( 'Engraving', 'iconic' ), $values['duplicating-price'] );
}

add_action( 'woocommerce_checkout_create_order_line_item', 'iconic_add_engraving_text_to_order_items', 10, 4 );


function iconic_display_engraving_text_cart( $product_name, $cart_item, $cart_item_key ) {
	PC::debug($cart_item);
	if ( empty( $cart_item['duplicating-price'] ) ) {
		return $product_name;
	}

	return sprintf( '%s <p><strong>%s</strong>: %s</p>', $product_name, __( 'Engraving', 'iconic' ), $cart_item['duplicating-price'] );
}

add_filter( 'woocommerce_cart_item_name', 'iconic_display_engraving_text_cart', 10, 3 );