How to Customize WooCommerce Attribute Dropdown Default Option

Creating a seamless shopping experience is paramount for any WooCommerce store. One key area for improvement is the default option in attribute dropdowns. By default, WooCommerce displays a generic “Choose an option” for product variations, which may not be the most user-friendly. In this tutorial, we’ll guide you through two options to enhance your store’s user interface.

As customers explore your products, they often come across attributes like size, color, or material. However, the default dropdown behavior may not immediately showcase these attributes. Our aim is to address this and create a more intuitive interface for users.

Before proceeding with any customizations in WordPress, it’s essential to set up a child theme. A child theme acts as a safe and efficient way to make modifications without affecting the parent theme. If you haven’t set up a child theme yet, follow this tutorial on How to Create a Child Theme for Customization. It will guide you through the process and ensure that your customizations remain intact even after theme updates.

Option 1: Set Attribute Name as Default Selection

To set the attribute name as the default selection, add the following code to your child theme’s functions.php file:

// Customize default variation option in WooCommerce dropdown.
function custom_default_variation_option( $args ) {
	// Retrieve the attribute label.
	$attribute_name = wc_attribute_label( $args['attribute'] );

	// Set the attribute label as the default option.
	$args['show_option_none'] = $attribute_name;

	return $args;
}
add_filter( 'woocommerce_dropdown_variation_attribute_options_args', 'custom_default_variation_option', 10 );
Code language: PHP (php)

Explanation:

We use the woocommerce_dropdown_variation_attribute_options_args filter to dynamically modify the dropdown options. The wc_attribute_label function fetches the label associated with the chosen attribute, setting it as the default option.

Option 2: Remove “Choose an Option” and Select First Attribute

To remove the default “Choose an option” and automatically select the first attribute, you can use the following code:

// Remove "Choose an option" and select the first attribute.
function remove_choose_option_select_first( $html, $args ) {
	// Check if the "Choose an option" option exists.
	$choose_option_exists = strpos( $html, '<option value="">' . esc_html__( 'Choose an option', 'woocommerce' ) . '</option>' );

	// Select the first attribute if "Choose an option" is present.
	if ( $choose_option_exists !== false ) {
		$html = preg_replace( '/<option value="">' . esc_html__( 'Choose an option', 'woocommerce' ) . '<\/option>/', '', $html, 1 );
	}

	return $html;
}
add_filter( 'woocommerce_dropdown_variation_attribute_options_html', 'remove_choose_option_select_first', 10, 2 );
Code language: PHP (php)

Explanation:

The remove_choose_option_select_first function removes the specific “Choose an option” option from the dropdown and selects the first attribute. It is hooked into the woocommerce_dropdown_variation_attribute_options_html filter.

Save and Test functions.php Adjustments

Save the changes made to the functions.php file within the child theme editor. After saving, visit a product page on your WooCommerce store and test the attribute dropdown to ensure that the default option now reflects the attribute name or that “Choose an option” is removed, selecting the first attribute automatically.

That’s it! You’ve successfully customized the default option in WooCommerce attribute dropdowns. Choose the option that best fits your preferences, providing a more user-friendly interface for your customers.

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