add custom field in woocommerce email code example

Example 1: add custom field to variation woocommerce

/**
 * @snippet       Add Custom Field to Product Variations - WooCommerce
 * @how-to        Get CustomizeWoo.com FREE
 * @sourcecode    https://businessbloomer.com/?p=73545
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 3.5.6
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */
 
// -----------------------------------------
// 1. Add custom field input @ Product Data > Variations > Single Variation
 
add_action( 'woocommerce_variation_options_pricing', 'bbloomer_add_custom_field_to_variations', 10, 3 );
 
function bbloomer_add_custom_field_to_variations( $loop, $variation_data, $variation ) {
woocommerce_wp_text_input( array(
'id' => 'custom_field[' . $loop . ']',
'class' => 'short',
'label' => __( 'Custom Field', 'woocommerce' ),
'value' => get_post_meta( $variation->ID, 'custom_field', true )
)
);
}
 
// -----------------------------------------
// 2. Save custom field on product variation save
 
add_action( 'woocommerce_save_product_variation', 'bbloomer_save_custom_field_variations', 10, 2 );
 
function bbloomer_save_custom_field_variations( $variation_id, $i ) {
$custom_field = $_POST['custom_field'][$i];
if ( isset( $custom_field ) ) update_post_meta( $variation_id, 'custom_field', esc_attr( $custom_field ) );
}
 
// -----------------------------------------
// 3. Store custom field value into variation data
 
add_filter( 'woocommerce_available_variation', 'bbloomer_add_custom_field_variation_data' );
 
function bbloomer_add_custom_field_variation_data( $variations ) {
$variations['custom_field'] = '<div class="woocommerce_custom_field">Custom Field: <span>' . get_post_meta( $variations[ 'variation_id' ], 'custom_field', true ) . '</span></div>';
return $variations;
}

Example 2: Woocommerce Display Custom Field value on the Email [Custom Field Display 3]

/**
 * Display field value on the Email..
 * source https://rudrastyh.com/woocommerce/order-meta-in-emails.html
 * PHP Custom Feild Value
 * @param $order_obj Order Object
 * @param $sent_to_admin If this email is for administrator or for a customer
 * @param $plain_text HTML or Plain text (can be configured in WooCommerce > Settings > Emails) 
 * 
 */
add_action( 'woocommerce_email_order_meta', 'misha_add_email_order_meta', 10, 3 );
function misha_add_email_order_meta( $order_obj, $sent_to_admin, $plain_text ){
 
  // ok, if it is the gift order, get all the other fields
  $gift_wrap = get_post_meta( $order_obj->get_order_number(), 'My Field', true );
 

 
    // you shouldn't have to worry about inline styles, WooCommerce adds them itself depending on the theme you use
    echo '<h2>Store Location</h2>
    <ul>
    <li><strong>Your Store Location is:</strong> ' . $gift_wrap . '</li>
    </ul>';

}

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