Add Field Placeholders

/**

 * Add placeholder attributes to donation fields, removing the label field.

 *

 * @return void

 */

add_action(

    'init',

    function() {

        $fields = charitable()->donation_fields();

		foreach ( $fields->get_donation_form_fields() as $field ) {

			$label = $field->donation_form['label'];

			if ( isset( $field->donation_form['required'] ) && $field->donation_form['required'] ) {

				$label .= ' *';

			}

			$field->set( 'donation_form', 'placeholder', $label );

			$field->set( 'donation_form', 'label', false );

		}

    }

);

/**

 * In order to hide the asterisk for required fields, the following

 * custom CSS is also required.

#charitable-donation-form .charitable-form-field .required {

    display: none;

}

*/