service_schmea_multiple_area_served_type_country

gistfile1.txt

add_action( 'after_setup_theme', 'add_my_custom_meta_field' );
function add_my_custom_meta_field() {
	add_filter( 'wp_schema_pro_schema_meta_fields', 'my_extra_schema_field' );
	add_filter( 'wp_schema_pro_schema_service', 'my_extra_schema_field_mapping', 10, 3 );
}

/**
 * Add fields for mapping.
 *
 * @param  array $fields Mapping fields array.
 * @return array
 */
function my_extra_schema_field( $fields ) {
	$fields['bsf-aiosrs-service']['subkeys']['area-served'] = array(
			'label'  => esc_html__( 'Areas Served', 'wp-schema-pro' ), 
			'type'   => 'repeater',
			'fields' => array(
				'area-served'         => array(
					'label'    => esc_html__( 'Area', 'wp-schema-pro' ),
					'type'     => 'text',
					'default'  => 'none',
				),
			),
		);

	return $fields;
}

/**
 * Mapping extra field for schema markup.
 *
 * @param  array $schema Schema array.
 * @param  array $data   Mapping fields array.
 * @return array
 */
function my_extra_schema_field_mapping( $schema, $data, $post ) {
	if ( isset( $data['area-served'] ) && ! empty( $data['area-served'] ) ) {
		foreach ( $data['area-served'] as $key => $value ) {
			if( isset( $value["area-served"] ) && '' != $value["area-served"] ) {
				$schema['areaServed'][ $key ]['@type'] = 'Country';
				$schema['areaServed'][ $key ]['name'] = wp_strip_all_tags( $value['area-served'] );
			}
		}
	}
	return $schema;
}