// Add Custom Field To Product Data General Tab
add_action( 'woocommerce_product_options_general_product_data', function() {
$args = [
'id' => '_retail_price',
'label' => __( 'Retail Price', 'woocommerce' ),
'data_type' => 'price',
];
woocommerce_wp_text_input( $args );
} );
// Save Custom Field On Submit
add_action( 'woocommerce_process_product_meta', function( $post_id ) {
$product = wc_get_product( $post_id );
$meta_value = isset( $_POST['_retail_price'] )
? $_POST['_retail_price'] : '';
if( ! $meta_value ) {
return;
}
$product->update_meta_data(
'_retail_price', sanitize_text_field( $meta_value )
);
$product->save();
} );Add custom field to Product editor General tab
Adds a custom field to the Product editor General tab.
Instructions for Add custom field to Product editor General tab
- Log into a staging or locally hosted clone of your site.
- Install and activate Code Snippets plugin.
- WP Admin > Snippets > Add New
- Copy and paste the code from the section above.
- Check to ensure formatting came over properly.
- Customize the code as desired.
- Add a meaningful title.
- Select whether to run on front-end or back-end (or both).
- Click “Save and Activate”.
- Test your site to ensure it works.
- Disable if any problems, or recover.
- Repeat for live environment.
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License
All code snippets are licensed GPLv2 (or later) matching WordPress licensing.
Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Disclaimer of warranty
