Mastering WooCommerce Products Custom Fields

Mastering WooCommerce Products Custom Fields

http://www.remicorson.com/mastering-woocommerce-products-custom-fields/#comment-14347

// Display Fields
add_action( 'woocommerce_product_options_general_product_data', 'woo_add_custom_general_fields' );
 
// Save Fields
add_action( 'woocommerce_process_product_meta', 'woo_add_custom_general_fields_save' );
 
function woo_add_custom_general_fields() {
 
	global $woocommerce, $post;
	
	// Text Field
	woocommerce_wp_textarea_input(
		array(
		'id'          => '_textarea',
		'label'       => __( 'My Textarea', 'woocommerce' ),
		'placeholder' => '',
		'desc_tip'    => 'true',
		'description' => __( 'Enter the custom value here.', 'woocommerce' )
	)
	);
}
function woo_add_custom_general_fields_save( $post_id ){
 
	// Textarea
	$woocommerce_textarea = $_POST['_textarea'];
	if( !empty( $woocommerce_textarea ) )
	update_post_meta( $post_id, '_textarea', esc_html( $woocommerce_textarea ) );
 
}