Code-Snippets-Functions/Execute a function on a child site/Charitable/add-accept-terms-field.txt

add_action(
	'init',
	function() {
		/* Create the `Charitable_Donation_Field` object. */
		$field = new Charitable_Donation_Field(
			'accept_terms',
			array(
				'label'          => __( 'Terms and Conditions Accepted' ),
				'data_type'      => 'meta',
				'donation_form'  => false,
				'admin_form'     => false,
				'show_in_meta'   => true,
				'show_in_export' => true,
				'email_tag'      => array(
					'description' => __( 'Whether the terms and conditions were accepted.' ),
				),
				'value_callback' => function( Charitable_Abstract_Donation $donation, $key ) {
					$parent_id = $donation->get_donation_plan_id();

					if ( $parent_id ) {
						$accepted = get_post_meta( $parent_id, 'accept_terms', true );
					} else {
						$accepted = get_post_meta( $donation->ID, 'accept_terms', true );
					}

					return $accepted ? __( 'Yes' ) : __( 'No' );
				},
			)
		);

		/* Get the `Charitable_Donation_Field_Registry` instance. */
		$fields = charitable()->donation_fields();

		/* Add the new field. */
		$fields->register_field( $field );
	}
);